cp's OEIS Frontend

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.

A111515 Number of partitions of T where T=(7*n + 1) if n is even and T=((7*n + 1)/2) if n is odd.

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%I A111515 #8 Aug 29 2025 20:37:11
%S A111515 1,5,176,56,4565,385,63261,1958,614154,8349,4697205,31185,30167357,
%T A111515 105558,169229875,329931,851376628,966467,3913864295,2679689,
%U A111515 16670689208,7089500,66493182097,18004327,250438925115,44108109,896684817527,104651419,3068829878530
%N A111515 Number of partitions of T where T=(7*n + 1) if n is even and T=((7*n + 1)/2) if n is odd.
%e A111515 If n=12 then P(7*n + 1) = 30167357.
%t A111515 Table[If[EvenQ[n],PartitionsP[7n+1],PartitionsP[(7n+1)/2]], {n,0,30}] (* _Harvey P. Dale_, Sep 30 2011 *)
%Y A111515 Cf. A111451, A111329.
%K A111515 nonn,changed
%O A111515 0,2
%A A111515 _Parthasarathy Nambi_, Nov 16 2005
%E A111515 More terms from _Harvey P. Dale_, Sep 30 2011