| 1, 0, 0, 0, 4, 2, 3, 2, 11, 7, 11, 9, 25, 18, 27, 23, 48, 38, 54, 47, 83, 69, 94, 84, 133, 114, 150, 136, 200, 176, 225, 206, 287, 257, 321, 297, 397, 360, 441, 411, 532, 488, 588, 551, 695, 643, 764, 720, 889, 828, 972, 920, 1116, 1046, 1215
(list; graph; listen)
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OFFSET
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0,5
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LINKS
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T. D. Noe, Table of n, a(n) for n=0..1000
Index entries for Molien series
E. Bannai, S. T. Dougherty, M. Harada and M. Oura, Type II Codes, Even Unimodular Lattices and Invariant Rings, IEEE Trans. Information Theory, Volume 45, Number 4, 1999, 1194-1205.
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MAPLE
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(1+x)*(1+x^2)*(1-x+2*x^4+2*x^8-x^9+x^12)/((1-x^4)^3*(1-x^6));
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CROSSREFS
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Sequence in context: A079636 A087229 A019614 this_sequence A073244 A106644 A136626
Adjacent sequences: A051525 A051526 A051527 this_sequence A051529 A051530 A051531
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KEYWORD
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nonn,easy,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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