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A127233
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a(n) = n!*(n*(n+1)/2)!.
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2
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1, 1, 12, 4320, 87091200, 156920924160000, 36785478363630796800000, 1536637256843037856927580160000000, 14998770936168817088309737749441675264000000000, 43408511507665453002645192043544271642563569306828800000000000
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..9.
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MAPLE
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seq(n!*(n*(n+1)/2)!, n=0..9); # Emeric Deutsch, Jan 20 2007
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MATHEMATICA
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Table[n!((n(n+1))/2)!, {n, 0, 10}] (* Harvey P. Dale, Aug 27 2021 *)
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CROSSREFS
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Cf. A127234, A127236.
Sequence in context: A307944 A105067 A096732 * A169657 A287889 A288967
Adjacent sequences: A127230 A127231 A127232 * A127234 A127235 A127236
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski, Jan 09 2007
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EXTENSIONS
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More terms from Emeric Deutsch, Jan 20 2007
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STATUS
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approved
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