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Search: id:A032183
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A032183 "CIJ" (necklace, indistinct, labeled) transform of 3,3,3,3... +0
2
3, 12, 84, 876, 12180, 211692, 4415124, 107430636, 2987482260, 93461994732, 3248794543764, 124223034396396, 5181679901192340, 234153759187726572, 11395053576644512404, 594148263021558162156 (list; graph; listen)
OFFSET

1,1

LINKS

C. G. Bower, Transforms (2)

Index entries for sequences related to necklaces

FORMULA

E.g.f.: -ln(4-3*exp(x)). Sum_{k=1..n) 3^k*(k-1)!*Stirling2(n, k). - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 14 2003

CROSSREFS

Cf. A000629, A027882.

Sequence in context: A051549 A066780 A147835 this_sequence A070825 A077047 A074505

Adjacent sequences: A032180 A032181 A032182 this_sequence A032184 A032185 A032186

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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