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A293387
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Expansion of (eta(q^2)^2/(eta(q)eta(q^3)))^2 in powers of q.
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3
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1, 2, 1, 4, 6, 2, 12, 16, 5, 28, 36, 12, 60, 76, 24, 120, 150, 46, 228, 280, 86, 416, 504, 152, 732, 878, 262, 1252, 1488, 442, 2088, 2464, 725, 3408, 3996, 1168, 5460, 6364, 1852, 8600, 9972, 2886, 13344, 15400, 4436, 20424, 23472, 6736, 30876, 35346, 10103
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: Product_{k>0} ((1 - x^(2*k))^2/((1 - x^k)*(1 - x^(3*k))))^2.
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MATHEMATICA
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nmax = 100; CoefficientList[Series[Product[((1 - x^(2*k))^2/((1 - x^k)*(1 - x^(3*k))))^2, {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Oct 08 2017 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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