http://mathfactor.uark.edu/2008/07/follow-up-the-busy-beaver-function/ The Math Factor Podcast Site Fri, 08 Aug 2014 12:52:06 +0000 hourly 1 https://wordpress.org/?v=4.9.25 http://mathfactor.uark.edu/2008/07/follow-up-the-busy-beaver-function/comment-page-1/#comment-1058 Fri, 21 Dec 2012 11:01:44 +0000 http://mathfactor.uark.edu/2008/07/05/follow-up-the-busy-beaver-function/#comment-1058 BB(2n), however, might be lower-bounded by 3{n-2}3, where a{c}b means a^^^…^^^b (with c up-arrows).

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