A034383 - OEIS

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A034383

Number of labeled groups.

1, 2, 3, 16, 30, 480, 840, 22080, 68040, 1088640, 3991680, 259459200, 518918400, 16605388800, 163459296000 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`H.-U. Besche, The Small Groups library` `Index entries for sequences related to enumerating groups.`
	FORMULA	`a(n) = n * A058163(n).`
	CROSSREFS	`Cf. A000001, A034381, A034382, A058157, A058163.` `Sequence in context: A102882 A085734 A034382 * A072684 A073633 A012357` `Adjacent sequences: A034380 A034381 A034382 * A034384 A034385 A034386`
	KEYWORD	`nonn,more`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.