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A116540 Number of zero-one matrices with n ones and no zero rows or columns, up to permutation of rows. +0
1
1, 3, 10, 41, 192, 1025, 6087, 39754, 282241, 2159916, 17691161, 154192692, 1423127819, 13851559475, 141670442163, 1517880400352, 16989834719706, 198191448685735, 2404300796114642, 30273340418567819, 394948562421362392 (list; graph; listen)
OFFSET

1,2
LINKS

P. J. Cameron, T. Prellberg and D. Stark, Asymptotics for incidence matrix classes .

M. Klazar, Extremal problems for ordered hypergraphs

CROSSREFS

Cf. A101370.

Sequence in context: A009374 A137781 A140046 this_sequence A000248 A030927 A002627

Adjacent sequences: A116537 A116538 A116539 this_sequence A116541 A116542 A116543

KEYWORD

nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), Mar 27 2006

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

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