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 A278542 #6 Nov 30 2016 12:59:54 %S A278542 1,2,2,4,2,2,6,8,2,2,2,2,6,6,12,16,2,2,2,2,2,2,2,2,6,6,6,6,12,12,24, %T A278542 32,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,6,6,6,6,6,6,6,6,12,12,12,12,24,24, %U A278542 48,64,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,12,12,12 %N A278542 a(n) = A046523(A209637(n)). %H A278542 Antti Karttunen, <a href="/A278542/b278542.txt">Table of n, a(n) for n = 0..512</a> %F A278542 a(n) = A046523(A209637(n)). %F A278542 a(n) = A278541(A054429(n)). %o A278542 (Scheme) (define (A278542 n) (A046523 (A209637 n))) %Y A278542 Cf. A046523, A054429, A209637, A278540, A278541. %K A278542 nonn %O A278542 0,2 %A A278542 _Antti Karttunen_, Nov 30 2016