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 A278535 #5 Nov 30 2016 12:59:38 %S A278535 1,2,2,4,2,4,6,8,2,4,6,8,6,12,12,16,2,4,6,8,6,12,12,16,6,12,30,24,12, %T A278535 36,24,32,2,4,6,8,6,12,12,16,6,12,30,24,12,36,24,32,6,12,30,24,30,60, %U A278535 60,48,12,36,60,72,24,72,48,64,2,4,6,8,6,12,12,16,6,12,30,24,12,36,24,32,6,12,30,24,30,60,60,48,12,36,60,72,24,72,48,64,6,12,30 %N A278535 a(n) = A046523(A253565(n)). %H A278535 Antti Karttunen, <a href="/A278535/b278535.txt">Table of n, a(n) for n = 0..8191</a> %F A278535 a(n) = A046523(A253565(n)). %F A278535 a(n) = A278533(A054429(n)). %o A278535 (Scheme) (define (A278535 n) (A046523 (A253565 n))) %Y A278535 Cf. A046523, A054429, A253565, A278222, A278531, A278533. %K A278535 nonn %O A278535 0,2 %A A278535 _Antti Karttunen_, Nov 30 2016