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Search: id:A029862
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| A029862 |
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Euler transform of period 2 sequence [1,3,...]. |
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+0
1
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| 1, 1, 4, 5, 14, 18, 41, 54, 109, 145, 267, 357, 618, 826, 1359, 1815, 2872, 3824, 5859, 7774, 11600, 15329, 22362, 29425, 42113, 55167, 77648, 101267, 140479, 182395, 249789, 322906, 437199, 562755, 754171, 966713, 1283630, 1638716, 2157763
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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Expansion of q^(5/24)/(eta(q)eta(q^2)^2) in powers of q. - Michael Somos, Mar 23 2003
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LINKS
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N. J. A. Sloane, Transforms
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FORMULA
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G.f.: Product 1/((1-x^(2k))^3(1-x^(2k-1))), k>0. - Michael Somos, Mar 23 2003
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PROGRAM
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(PARI) a(n)=local(X); if(n<0, 0, X=x+x*O(x^n); polcoeff(1/eta(X)/eta(X^2)^2, n))
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CROSSREFS
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Sequence in context: A000867 A049770 A079362 this_sequence A092432 A041669 A129720
Adjacent sequences: A029859 A029860 A029861 this_sequence A029863 A029864 A029865
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KEYWORD
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nonn
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AUTHOR
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njas
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