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A319930
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a(n) = (1/24)*n*(n - 1)*(n - 3)*(n - 14).
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3
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0, 0, 1, 0, -5, -15, -30, -49, -70, -90, -105, -110, -99, -65, 0, 105, 260, 476, 765, 1140, 1615, 2205, 2926, 3795, 4830, 6050, 7475, 9126, 11025, 13195, 15660, 18445, 21576, 25080, 28985, 33320, 38115, 43401, 49210, 55575, 62530, 70110, 78351, 87290, 96965
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,5
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LINKS
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FORMULA
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a(n) = [x^4] DedekindEta(x)^n.
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MAPLE
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a := n -> (1/24)*n*(n-1)*(n-3)*(n-14):
seq(a(n), n=0..44);
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MATHEMATICA
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Table[(n(n-1)(n-3)(n-14))/24, {n, 0, 70}] (* Harvey P. Dale, Apr 29 2022 *)
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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STATUS
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approved
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