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 A218429 #28 May 13 2023 20:00:33 %S A218429 8,760320,1468800,4612608,1414886400,4935598080,83655936000, %T A218429 172888934400,173172916224000,225464073246720,575926998958080, %U A218429 650264059920384,73439222840111923200,88160928190086850560,450645911113324953600,600860926790121553920 %N A218429 Numbers k for which sigma(k)/k - 7/8 is an integer. %C A218429 a(8) > 10^11. - _Donovan Johnson_, Nov 01 2012 %C A218429 a(9) > 10^12. - _Giovanni Resta_, Nov 04 2012 %C A218429 Note that there are no terms here with abundancy 23/8 (k=2). - _Michel Marcus_, Jun 26 2013 %Y A218429 Cf. A218404, A159907, A218405. %K A218429 nonn %O A218429 1,1 %A A218429 _Zdenek Cervenka_, Oct 28 2012 %E A218429 a(5)-a(7) from _Donovan Johnson_, Nov 01 2012 %E A218429 a(8) from _Giovanni Resta_, Nov 04 2012 %E A218429 More terms from _Michel Marcus_, Jun 26 2013