A030262 - OEIS

A030262

Number of nonisomorphic commutative groupoids with no idempotents and a nontrivial symmetry.

0, 0, 0, 3, 96, 54248 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,4`
	LINKS	`Table of n, a(n) for n=0..5.` `Index entries for sequences related to groupoids`
	CROSSREFS	`A030260 - A030261.` `Sequence in context: A301351 A268012 A268181 * A107173 A100494 A209554` `Adjacent sequences: A030259 A030260 A030261 * A030263 A030264 A030265`
	KEYWORD	`nonn,more`
	AUTHOR	`Christian G. Bower`
	STATUS	`approved`

Last modified May 19 08:55 EDT 2022. Contains 353826 sequences. (Running on oeis4.)