| 1, 0, 2, 1, 4, 2, 7, 4, 10, 7, 14, 10, 19, 14, 24, 19, 30, 24, 37, 30, 44, 37, 52, 44, 61, 52, 70, 61, 80, 70, 91, 80, 102, 91, 114, 102, 127, 114, 140, 127, 154, 140, 169, 154, 184, 169, 200, 184, 217, 200, 234, 217
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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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^4)/((1-x^2)^2*(1-x^3)).
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CROSSREFS
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Adjacent sequences: A008793 A008794 A008795 this_sequence A008797 A008798 A008799
Sequence in context: A004795 A007690 A074364 this_sequence A079966 A101707 A113418
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KEYWORD
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nonn,nice,easy
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AUTHOR
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njas
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