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 A093061 #14 May 29 2014 22:09:06
%S A093061 6,18,6,24,18,18,12,36,6,36,18,24,12,36,18,42,18,18,12,54,12,36,18,36,
%T A093061 24,36,6,48,18,36,12,54,18,36,36,24,12,36,12,72,18,36,12,54,18,36,18,
%U A093061 42,18,54,18,48,18,18,36,72,12,36,18,54,12,36,12,60,36,36,12,54,18,72,18,36,12
%N A093061 6 * Sum_{d|n} (d mod 3).
%C A093061 The old entry with this sequence number was a duplicate of A090331.
%F A093061 a(n) = 6*A082909(n). - _Michel Marcus_, May 26 2014
%t A093061 Table[6 Sum[Mod[d, 3], {d, Divisors[n]}], {n, 50}] (* _Wesley Ivan Hurt_, May 28 2014 *)
%o A093061 (PARI) a(n) = 6*sumdiv(n, d, d % 3); \\ _Michel Marcus_, May 26 2014
%Y A093061 Cf. A004016, A082909.
%K A093061 nonn,easy
%O A093061 1,1
%A A093061 _N. J. A. Sloane_, Nov 02 2008