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 A055706 #10 Mar 03 2014 02:04:41
%S A055706 1,2,6,84,437,1366,2390,5676,47471,75972,82321,99012,3015760,5667660,
%T A055706 7881348,11498604,26118614,26447827,114092460,115426140,121197447,
%U A055706 207767052,257342460,463216428,567155020,658286388,758280060,1013513752,1261438248,1762803253
%N A055706 Numbers n such that n | sigma_12(n) + phi(n)^12.
%C A055706 sigma_12(n) is the sum of the 12th powers of the divisors of n (A013960).
%t A055706 Do[If[Mod[DivisorSigma[12, n]+EulerPhi[n]^12, n]==0, Print[n]], {n, 1, 10^5}]
%o A055706 (PARI) isok(n) = !((sigma(n, 12) + eulerphi(n)^12) % n); \\ _Michel Marcus_, Mar 02 2014
%K A055706 nonn
%O A055706 1,2
%A A055706 _Robert G. Wilson v_, Jun 09 2000
%E A055706 More terms from _Michel Marcus_, Mar 02 2014