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