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A365667
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Expansion of Sum_{0<i<j<k<l<m} q^(2*(i+j+k+l+m)-5)/( (1-q^(2*i-1))*(1-q^(2*j-1))*(1-q^(2*k-1))*(1-q^(2*l-1))*(1-q^(2*m-1)) )^2.
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3
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1, 2, 4, 8, 14, 24, 40, 64, 100, 154, 232, 332, 480, 680, 944, 1304, 1774, 2384, 3180, 4200, 5488, 7120, 9160, 11680, 14869, 18740, 23468, 29280, 36278, 44720, 54904, 67040, 81464, 98658, 118936, 142792, 170902, 203760, 242120, 286624, 338366, 398160, 467148
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OFFSET
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25,2
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LINKS
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FORMULA
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G.f.: -(1/5) * ( Sum_{k>=5} (-1)^k * k * binomial(k+4,9) * q^(k^2) ) / ( 1 + 2 * Sum_{k>=1} (-q)^(k^2) ).
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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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