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 A244962 #14 Jul 15 2014 04:34:52
%S A244962 1,2,5,7,15,22,77,176,4565
%N A244962 Generalized pentagonal numbers that are also partition numbers.
%C A244962 Intersection of A001318 and A000041.
%C A244962 No more terms < A000041(2*10^6), a number with 1569 digits. - _Lars Blomberg_, Jul 15 2014
%t A244962 nmax=PartitionsP[50]; Intersection[Table[PartitionsP[n],{n,0,50}],Table[n*(n+1)/6,{n,Select[Range[0,nmax],Mod[#,3]!=1&]}]] (* _Vaclav Kotesovec_, Jul 15 2014 *)
%Y A244962 Cf. A000041, A001318, A175003.
%K A244962 nonn,hard,more
%O A244962 1,2
%A A244962 _Omar E. Pol_, Jul 10 2014