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 A048254 #12 May 14 2018 05:59:35 %S A048254 510,642,710,742,782,795,862,935,1177,1207,1219 %N A048254 Numbers whose sum of divisors is 6^4 = 1296. %C A048254 Sequence has A048253(4)=11 terms from A048251(4)=510 to A048252(4)=1219. - _Ray Chandler_, Sep 01 2010 %e A048254 The divisors of 1219 are 1, 23, 53, and 1219, whose sum is 1296, so 1219 is in the sequence. %t A048254 Select[Range[6^4], DivisorSigma[1, # ] == 6^4 &] (* _Ray Chandler_, Sep 01 2010 *) %Y A048254 Cf. A006532, A020477, A019422, A019423, A018427, A048251-A048256. %K A048254 nonn,fini,full %O A048254 1,1 %A A048254 _Labos Elemer_