id:A030245 - OEIS Search Results

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Number of nonisomorphic groupoids with no symmetry.

+0
5

1, 1, 6, 3237, 178932325 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Index entries for sequences related to groupoids`
	CROSSREFS	`a(n) = A079171(n, A027423(n)). Cf. A001329.` `Sequence in context: A114184 A093884 A079183 this_sequence A048542 A140173 A158663` `Adjacent sequences: A030242 A030243 A030244 this_sequence A030246 A030247 A030248`
	KEYWORD	`nonn,more`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net)`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.