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Search: id:A127233
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A127233 a(n)=n![n(n+1)/2]!. +0
3
1, 12, 4320, 87091200, 156920924160000, 36785478363630796800000, 1536637256843037856927580160000000, 14998770936168817088309737749441675264000000000, 43408511507665453002645192043544271642563569306828800000000000 (list; graph; listen)
OFFSET

1,2

MAPLE

seq(n!*(n*(n+1)/2)!, n=1..9); - Emeric Deutsch (deutsch(AT)duke.poly.edu), Jan 20 2007

CROSSREFS

Cf. A127234, A127236.

Sequence in context: A099186 A105067 A096732 this_sequence A009094 A061701 A134821

Adjacent sequences: A127230 A127231 A127232 this_sequence A127234 A127235 A127236

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Jan 09 2007

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jan 20 2007

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.


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