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 A278502 #5 Dec 12 2016 09:11:42 %S A278502 1,2,2,2,4,6,2,4,6,6,2,8,12,6,4,6,12,6,2,12,30,8,12,6,6,4,16,24,12,12, %T A278502 6,12,30,6,2,36,30,12,30,6,8,12,24,60,24,6,6,60,4,16,12,30,24,12,12, %U A278502 12,6,32,48,24,36,30,12,30,60,6,2,60,30,36,30,6,12,30,72,60,60,6,8,210,12,24,12,24,60,24,60,6,6,48,120,72,30,60,4,30,16,12,180 %N A278502 a(n) = A046523(A279338(n)). %H A278502 Antti Karttunen, <a href="/A278502/b278502.txt">Table of n, a(n) for n = 1..10000</a> %F A278502 a(n) = A046523(A279338(n)). %o A278502 (Scheme) (define (A278502 n) (A046523 (A279338 n))) %Y A278502 Cf. A046523, A279338, A278501. %K A278502 nonn %O A278502 1,2 %A A278502 _Antti Karttunen_, Dec 10 2016