id:A056988 - OEIS Search Results

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Number of weakly connected digraphs on n nodes that are not strongly connected.

+0
1

0, 1, 8, 116, 4316, 483835, 175048780, 212125583518, 887136857205696, 13086449050056880074, 691487226135525983266460 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	FORMULA	`A003085(n)-A035512(n)`
	CROSSREFS	`Cf. A003085, A035512.` `Sequence in context: A062126 A113670 A156468 this_sequence A085699 A046914 A116008` `Adjacent sequences: A056985 A056986 A056987 this_sequence A056989 A056990 A056991`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.