This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A362884 #17 Mar 27 2025 05:43:36 %S A362884 2,16,2,2,16,2,16,72,37,5336,222112,152263946,1219335473828432, %T A362884 1932041718420459629645062,403742785702569426305018937234491996105486, %U A362884 1561663327784579146423924791055619905538560428937482474084426146608982032 %N A362884 a(n) = (a(n-1)*a(n-2)*a(n-3)+64)/(4*a(n-4)) with a(0) = a(2) = a(3) = 2 and a(1) = 16. %C A362884 Conjecture 1: all terms are integer. %C A362884 Conjecture 2: a(n) is never divisible by 64. %F A362884 For n >= 2, a(n) = 4 * A276175(n) * A276175(n-2) / (A276175(n-1) * (A276175(n-1) + 1)). %Y A362884 Cf. A276175. %K A362884 nonn %O A362884 0,1 %A A362884 _Max Alekseyev_, May 07 2023