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Search: id:A085390
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A085390 (n(n+1)^(n-2)+0^(n-2))/(n+1). +0
3
1, 3, 20, 180, 2058, 28672, 472392, 9000000, 194871710, 4729798656, 127253992476, 3760310514688, 121096582031250, 4222124650659840, 158473248526494992, 6371827248895377408, 273260286537746369382, 12451840000000000000000 (list; graph; listen)
OFFSET

2,2

COMMENT

A diagonal of square array A085388.

LINKS

Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets

CROSSREFS

Cf. A085389, A053506.

Sequence in context: A051643 A000891 A129840 this_sequence A065980 A073767 A108206

Adjacent sequences: A085387 A085388 A085389 this_sequence A085391 A085392 A085393

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 30 2003

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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