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A255358
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Product_{k=0..n} (k^3)!.
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7
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OFFSET
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0,3
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COMMENTS
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The next term a(4) has 122 digits.
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LINKS
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Vaclav Kotesovec, Table of n, a(n) for n = 0..6
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FORMULA
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a(n) ~ c * n^(29/40 + 3*n/2 + 3*n^2/4 + 3*n^3/2 + 3*n^4/4) * (2*Pi)^(n/2) / exp(n*(n+2)*(12 - 6*n + 7*n^2)/16), where c = A255511 = 4.113740552015338123052453340090368136...
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MATHEMATICA
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Table[Product[(k^3)!, {k, 0, n}], {n, 0, 10}]
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CROSSREFS
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Cf. A000178, A255322, A255359, A255360.
Cf. A002109, A051675, A255321, A255323, A255344.
Cf. A000142, A255268, A255269, A255511.
Sequence in context: A259113 A195392 A172632 * A229675 A250905 A250949
Adjacent sequences: A255355 A255356 A255357 * A255359 A255360 A255361
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KEYWORD
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nonn
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AUTHOR
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Vaclav Kotesovec, Feb 21 2015
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STATUS
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approved
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