User contributions for A6P457

19 September 2026

• 13:5813:58, 19 September 2026 diff hist +1 Register machine →Analysis: fixed

10 September 2026

• 13:5313:53, 10 September 2026 diff hist −13 Fractran →BBf(24): updated
• 12:5312:53, 10 September 2026 diff hist −2 Post Tag System Undo revision 8459 by Sligocki (talk) see results.md(the size definition doesn't add the symbols) Tag: Undo

6 September 2026

• 10:0210:02, 6 September 2026 diff hist +32 N CA Redirected page to Cellular automaton current Tag: New redirect
• 09:5709:57, 6 September 2026 diff hist −2 Cyclic Tag →Busy Beaver Function: BBCT(7) proved current
• 09:5509:55, 6 September 2026 diff hist +24 N BBCT Redirected page to Cyclic Tag current Tag: New redirect
• 09:4009:40, 6 September 2026 diff hist −2 Post Tag System →Champions: BB_PT(7) proven Tag: Reverted

3 September 2026

• 17:4617:46, 3 September 2026 diff hist +10 1RB0RF 1RC1RF 1LD0LE ---1LC 1RA1LE 1LC1RB Adder domain current
• 17:1517:15, 3 September 2026 diff hist +86 BB(6) →Cryptids: added similar to Space Needle
• 17:1017:10, 3 September 2026 diff hist +535 N 1RB0RF 1RC1RF 1LD0LE ---1LC 1RA1LE 1LC1RB Created page with "{{machine|1RB0RF_1RC1RF_1LD0LE_---1LC_1RA1LE_1LC1RB}} {{TM|1RB0RF_1RC1RF_1LD0LE_---1LC_1RA1LE_1LC1RB}} is a probviously non-halting cryptid similar to Space Needle. == Analysis == <pre>A(x,y) = 0^inf <E 1^x 0 1^y 0^inf A(2x,y) -> A(3x+y+1,2) A(2x+3,y) -> A(x,x+y+4) A(1,y) -> halt A(x) = A(x-3,2) p(x) = The largest n such that 2^n divides x A(x) -> A(x+p(x)+(x/2^p(x)+3)/2) if x/2^p(x)>1 A(2^x) -> halt A(3) -> A(6) -> A(10) -> A(15) -> A(24) -> A(30) -> A(40) -> A(..."

31 August 2026

• 15:3115:31, 31 August 2026 diff hist +2 Cyclic Tag →Execution rules:: fixed string change rule
• 15:2915:29, 31 August 2026 diff hist 0 Cyclic Tag →Execution rules:: fixed halt rule

30 August 2026

• 09:5109:51, 30 August 2026 diff hist +44 Fractran →Size 36: BMO1: added step counts
• 09:1209:12, 30 August 2026 diff hist +28 N MBB Redirected page to Minsky machine current Tag: New redirect

26 August 2026

• 16:3716:37, 26 August 2026 diff hist −288 Bell eats counter Added TM template current
• 16:0916:09, 26 August 2026 diff hist +97 Bell eats counter Added 5 state example

23 August 2026

• 06:4606:46, 23 August 2026 diff hist +729 Fractran →Behavior of Champions: Added BBf(24)

21 August 2026

• 10:1510:15, 21 August 2026 diff hist +63 Semi Infinite Tape Turing Machine Added links current

19 August 2026

• 08:3608:36, 19 August 2026 diff hist +39 N BBrev Redirected page to Reversible Turing Machine current Tag: New redirect

18 August 2026

• 13:1813:18, 18 August 2026 diff hist +12 1RB1RF 1RC1RA 1LD1LF 0RB0RE ---1LC ---0LC Added link current
• 13:1813:18, 18 August 2026 diff hist +443 N 1RB1RF 1RC1RA 1LD1LF 0RB0RE ---1LC ---0LC Created page with "{{machine|1RB1RF_1RC1RA_1LD1LF_0RB0RE_---1LC_---0LC}} 1RB1RF_1RC1RA_1LD1LF_0RB0RE_---1LC_---0LC is the current BBu(6) champion halting after 16088 steps == Analysis == <pre> A(x) = 0^inf <C 1^x 0^inf A(3x) -> A(4x+3) A(3x+1) -> halt A(3x+2) -> A(4x+5) A(2) -> A(5) -> A(9) -> A(15) -> A(23) -> A(33) -> A(47) -> A(65) -> A(89) -> A(121) -> halt If B(x) = A(2x+1), it's trajectory is equivalent to the BBf(20) champion Category:BB(6)"
• 12:5412:54, 18 August 2026 diff hist +43 N BBu Redirected page to Uniform-action Turing Machine current Tag: New redirect
• 09:5709:57, 18 August 2026 diff hist +60 Uniform-action Turing Machine Added links

12 August 2026

• 06:4706:47, 12 August 2026 diff hist +462 Register machine →Analysis: added MBB(9)

11 August 2026

• 18:4018:40, 11 August 2026 diff hist +51 Register machine →Analysis: added MBB(8) step counts

29 July 2026

• 15:2915:29, 29 July 2026 diff hist +60 Register machine →Analysis: Added MBB(7)

27 July 2026

• 16:5216:52, 27 July 2026 diff hist +2 Lambda Calculus BBl(40) solved
• 16:4316:43, 27 July 2026 diff hist −227 1RB1RF 0LC0RF 1RD1LC ---0LE 0RC1LF 1RA0LE No edit summary current

21 July 2026

• 17:3017:30, 21 July 2026 diff hist +61 BB(6) Added potential cryptid
• 16:1016:10, 21 July 2026 diff hist +1,380 N 1RB1RF 0LC0RF 1RD1LC ---0LE 0RC1LF 1RA0LE Created page with "{{machine|1RB1RF_0LC0RF_1RD1LC_---0LE_0RC1LF_1RA0LE}} {{TM|1RB1RF_0LC0RF_1RD1LC_---0LE_0RC1LF_1RA0LE}} is a BB(6) potential cryptid similar to BMO 1 == Analysis == <pre> A(x,y,z) = 1^x 0 1^y F> 1^z A(x,2y,z) -> A(x+4,2y-2,z-2) if y>0 and z>1 A(x,0,z) -> A(0,x+4,z-3) if z>2 A(x,0,1) -> halt A(x,0,2) -> A(0,x+2,0) A(2x,y,0) -> A(0,2x+4,y) A(2x+1,y,0) -> A(4,2x,y) if x>0 A(1,y,0) -> A(4,0,y+1) A(x,2y,1) -> A(x+4,2y-4,0) if y>1 A(x,2,1) -> A(0,4,x+2) A(x,2y+1,1)..."

14 July 2026

• 16:0516:05, 14 July 2026 diff hist +904 Instruction-Limited Busy Beaver Added gBBi champions

9 July 2026

• 15:5715:57, 9 July 2026 diff hist +21 1RB2RB1LA 2LC0LB2LB 2RC2RA0LC Added category current
• 15:5615:56, 9 July 2026 diff hist +575 N 1RB2RB1LA 2LC0LB2LB 2RC2RA0LC Created page with "{{machine|1RB2RB1LA_2LC0LB2LB_2RC2RA0LC}} {{TM|1RB2RB1LA_2LC0LB2LB_2RC2RA0LC}} is the current BLB(3,3) champion blanking the tape after <math>10^{42745}</math> steps == Analysis == <pre> A(x,y)=2 C> 2^x 0 1^y A(x,y) -> A(2x+5,y-3) if y>2 A(x,0) -> blank A(x,1) -> A(8,2x+1) A(x,2) -> blank A(8,4) -> A(21,1) -> A(8,43) -> A(21,40) -> A(47,37) -> A(99,34) -> A(203,31) -> A(411,28) -> A(827,25) -> A(1659,22) -> A(3323,19) -> A(6651,16) -> A(13307,13) -> A(26619,10) ->..."

7 July 2026

• 13:0513:05, 7 July 2026 diff hist +59 1RB2RA1RA2RB 2LB3LA0RB0RA Restored categories current

6 July 2026

• 19:0919:09, 6 July 2026 diff hist +517 N 1RB2RA1RA2RB 2LB3LA0RB0RA Created page with "{{TM|1RB2RA1RA2RB_2LB3LA0RB0RA}} is the current BLB(2,4) champion blanking the tape after 1,367,361,263,049 steps == Analysis == <pre> A(x,y,z)=1^x 0 1^y B< 2^z A(x,2y,z)->A(0,x,5y+z+1) if x>0 A(0,2y,z)->blank A(x,2y+1,z)->A(x+1,5y+z+1,1) A(1,0,0)->A(0,1,1)->A(1,2,1)->A(0,1,7)->A(1,8,1)->A(0,1,22)->A(1,23,1)->A(2,57,1)->A(3,142,1)->A(0,3,357)->A(1,363,1)->A(2,907,1)->A(3,2267,1)->A(4,5667,1)->A(5,14167,1)->A(6,35417,1)->A(7,88542,1)->A(0,7,221357)->A(1,221373,1)->A..."

29 June 2026

• 07:5307:53, 29 June 2026 diff hist +766 Fractran Added BBf(23)

20 June 2026

• 07:4207:42, 20 June 2026 diff hist +1 Brainfuck →Language Overview: fixed typo

16 July 2025

• 11:4011:40, 16 July 2025 diff hist +4 m 1RB0LE 1LC1RA ---1LD 0RB1LF 1RD1LA 0LA0RD Added non-halting Tag: Visual edit

15 July 2025

• 13:4013:40, 15 July 2025 diff hist +12 Champions added links Tag: Visual edit: Switched

6 July 2025

• 16:5416:54, 6 July 2025 diff hist 0 m Holdouts lists BB(6)#Holdouts
• 16:2516:25, 6 July 2025 diff hist +56 m Main Page Champions Tag: Visual edit: Switched