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 A278265 #6 Nov 29 2016 22:39:01 %S A278265 3,3,1,3,3,1,9,9,3,27,3,1,3,3,1,3,9,3,3,1,3,3,27,1,3,3,9,3,3,1,3,1,3, %T A278265 9,9,3,27,3,9,27,3,3,9,3,3,27,1,3,3,1,3,3,9,27,1,3,3,3,1,81,9,9,27,1, %U A278265 3,3,3,9,81,3,3,27,1,3,27,9,9,27,3,1,3,3,27,1,3,3,243,9,3,3,3,1,3,9,9,3,27,1,3,1,3,3,3,9,3,27,1,1,9,3,9,9,3,27,3 %N A278265 a(n) = A278509(A276573(n)). %H A278265 Antti Karttunen, <a href="/A278265/b278265.txt">Table of n, a(n) for n = 1..10028</a> %F A278265 a(n) = A278509(A276573(n)) = A065338(A000265(A276573(n))). %F A278265 a(n) = A000265(A278498(n)). %o A278265 (Scheme) (define (A278265 n) (A000265 (A278498 n))) %Y A278265 Cf. A000265, A065338, A276573, A276575, A278498, A278509. %K A278265 nonn %O A278265 1,1 %A A278265 _Antti Karttunen_, Nov 28 2016