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A134369
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a(n) = ((2n+1)!)^(n+1).
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10
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1, 36, 1728000, 645241282560000, 6292383221978976013516800000, 4045146997974190235742848547815424000000000000, 363046466970952735968096996065196818096105852014637875200000000000000
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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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a(n) ~ 2^(2*(n+1)^2) * exp(13/24 - 2*n*(n+1)) * n^((n+1)*(4*n+3)/2) * Pi^((n+1)/2). - Vaclav Kotesovec, Oct 26 2017
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MATHEMATICA
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Table[((2n+1)!)^(n + 1), {n, 0, 10}]
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CROSSREFS
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Cf. A000142, A001044, A000442, A036740, A134366, A134367, A134368, A134370, A134371, A134374, A134375.
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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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