Bigfoot: Difference between revisions

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{{machine|1RB2RA1LC_2LC1RB2RB_---2LA1LA}}{{unsolved|Does Bigfoot run forever?}}{{TM|1RB2RA1LC_2LC1RB2RB_---2LA1LA}}
{{machine|1RB2RA1LC_2LC1RB2RB_---2LA1LA}}{{unsolved|Does Bigfoot run forever?}}{{TM|1RB2RA1LC_2LC1RB2RB_---2LA1LA|non-halt}}
'''Bigfoot''' is a [[BB(3,3)]] [[Cryptids|Cryptid]]. It simulates the Collatz-like function
'''Bigfoot''' is a [[BB(3,3)]] [[Cryptids|Cryptid]]. It simulates the Collatz-like function



Revision as of 13:10, 13 August 2024

Unsolved problem:
Does Bigfoot run forever?

1RB2RA1LC_2LC1RB2RB_---2LA1LA (bbch)

Bigfoot is a BB(3,3) Cryptid. It simulates the Collatz-like function

A(a,6k,c)A(a,8k+c1,2)if8k+c1A(a,6k+1,c)A(a+1,8k+c1,3)if8k+c1A(a,6k+2,c)A(a1,8k+c+3,2)ifa1A(a,6k+3,c)A(a,8k+c+1,5)A(a,6k+4,c)A(a+1,8k+c+3,2)A(a,6k+5,c)A(a,8k+c+5,3)

A(0,6k+2,c)Halt(16k+2c+7)

starting from A(2,1,2).

It was discovered by Shawn Ligocki on 14 Oct 2023 and shared in the blog post BB(3, 3) is Hard.