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Search: id:A032013
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A032013 Number of ways to partition n labeled elements into sets of different sizes of at least 2 and order the sets. +0
1
0, 1, 1, 1, 21, 31, 113, 169, 8053, 15871, 71325, 300147, 816401, 63105953, 161203747, 856049593, 4050514725, 25570388671, 80377109117, 12126315199099, 36747628912981, 233849676829957, 1239662165799711 (list; graph; listen)
OFFSET

1,5

LINKS

C. G. Bower, Transforms (2)

FORMULA

"AGJ" (ordered, elements, labeled) transform of 0, 1, 1, 1...

CROSSREFS

Sequence in context: A138822 A104297 A106324 this_sequence A068657 A068671 A019423

Adjacent sequences: A032010 A032011 A032012 this_sequence A032014 A032015 A032016

KEYWORD

nonn

AUTHOR

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

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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