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.

A002222 a(n) is the number of partitions of 5n that can be obtained by adding together five (not necessarily distinct) partitions of n.

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%I A002222 M4147 N1722 #26 May 24 2016 05:29:24
%S A002222 1,6,21,91,266,994,2562,7764,19482,51212,116028,288541,612463,1375609,
%T A002222 2862437,6036606,11846488,24080685,45506290
%N A002222 a(n) is the number of partitions of 5n that can be obtained by adding together five (not necessarily distinct) partitions of n.
%D A002222 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D A002222 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A002222 N. Metropolis and P. R. Stein, <a href="http://dx.doi.org/10.1016/S0021-9800(70)80091-6">An elementary solution to a problem in restricted partitions</a>, J. Combin. Theory, 9 (1970), 365-376.
%Y A002222 See A002219 for further details. Cf. A000041, A002220, A002221, A213074.
%Y A002222 A column of A213086.
%K A002222 nonn,more
%O A002222 1,2
%A A002222 _N. J. A. Sloane_
%E A002222 Edited by _N. J. A. Sloane_, Jun 03 2012
%E A002222 a(12)-a(13) from _Alois P. Heinz_, Jul 10 2012
%E A002222 a(14)-a(19) from _Sean A. Irvine_, Sep 06 2013