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 A179232 #18 Jan 18 2020 20:41:28
%S A179232 120,186,264,450,504,552,696,978,1208,1440,1444,1848,2034,2744,4320,
%T A179232 4410,5376,6888,7020,9264,9968,10944,10989,13952,16080,19152,23160,
%U A179232 29280,31410,34464,38928,39648,49544,56880,60480,67266,73200,78480,82800,91440,102312
%N A179232 Numbers in A075728 which are not one less than some prime.
%C A179232 The first 30 terms of A075728 are equal to prime(k)-1 for some k. The first term here, n = 120, satisfies |sigma(n) - 2*n| = n. - _Michel Marcus_, Nov 02 2013
%H A179232 Donovan Johnson, <a href="/A179232/b179232.txt">Table of n, a(n) for n = 1..1000</a>
%F A179232 A075728 \ A006093.
%o A179232 (PARI) lista(nn) = {rec = -1; for (n=1, nn, d = abs(sigma(n) - 2*n); if (d > rec, if (! isprime(d+1), print1(d, ", ")); rec = d;););} \\ _Michel Marcus_, Nov 02 2013
%Y A179232 Cf. A006093, A075728.
%K A179232 nonn
%O A179232 1,1
%A A179232 _Artur Jasinski_, Jul 04 2010
%E A179232 More terms from _R. J. Mathar_, Jul 05 2010
%E A179232 A-number typo corrected by _R. J. Mathar_, Jul 16 2010