id:A094630 - OEIS Search Results

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Number of 3-uniform T_0-covers on n vertices.

+0
3

1, 0, 0, 0, 5, 893, 1039947, 34351783511, 72057317345649377, 19342812465159881755696499, 1329227995591486918148744122456237749 (list; graph; listen)

	OFFSET	`0,5`
	FORMULA	`E.g.f.: exp(-x+x^2/2+x^3/3)Sum(2^binomial(n, 3)exp(-2^(n-1)x^2)x^n/n!, n=0..infinity).`
	CROSSREFS	`Cf. A094631, A059530, A060070.` `Sequence in context: A060713 A085706 A135084 this_sequence A015940 A093853 A157332` `Adjacent sequences: A094627 A094628 A094629 this_sequence A094631 A094632 A094633`
	KEYWORD	`nonn`
	AUTHOR	`Goran Kilibarda, Vladeta Jovovic (vladeta(AT)eunet.rs), May 15 2004`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research