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• 21:17, 26 September 2024 Cosmo talk contribs created page Busy beaver lack of hope recurrence (Created page with "People working on BB(n-1) believed BB(n) was impossible: * BB(3) -> BB(4): "In any case, even though skilled mathematicians and experienced programmers attempted to evaluate 2(3) and 5(3), there is no evidence that any known approach will yield the answer, even if we avail ourselves of high-speed computers and elaborate programs. As regards \Sigma(4), S(4), the situation seems to be entirely hopeless at present."—Tibor Rado, 1963. Source: Brady, Allen H.. [https://do...") Tag: Visual edit