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A061719
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a(n) = Product_{k=0...n} (k!^3).
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2
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) ~ (2*Pi)^(3*n/2 + 3/2) * n^(3*n^2/2 + 3*n + 5/4) / (A^3 * exp(9*n^2/4 + 3*n - 1/4)), where A is the Glaisher-Kinkelin constant A074962. (End)
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MATHEMATICA
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PROG
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(PARI) for(n=0, 11, print(prod(k=1, n, factorial(k)^3)))
(PARI) { for (n=0, 27, write("b061719.txt", n, " ", prod(k=2, n, k!^3)) ) } \\ Harry J. Smith, Jul 26 2009
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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