id:A005786 - OEIS Search Results

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Number of 6-covers of an n-set.
(Formerly M4244)

+0
9

6, 43, 336, 2864, 25326, 223034, 1890123, 15115098, 112980937, 787320629, 5121184083, 31188412225, 178517111561, 964196387369, 4933278065881, 23997707450765, 111358094980387, 494444748602595, 2106504840061571 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`R. J. Clarke, Covering a set by subsets, Discrete Math., 81 (1990), 147-152.`
	LINKS	`Vladeta Jovovic, Binary matrices up to row and column permutations`
	CROSSREFS	`Cf. A005785.` `Adjacent sequences: A005783 A005784 A005785 this_sequence A005787 A005788 A005789` `Sequence in context: A091128 A025594 A098665 this_sequence A071541 A090010 A062266`
	KEYWORD	`nonn`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Jun 12 2000`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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