id:A111341 - OEIS Search Results

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A035481(n-1) - A058162(n), number of Latin squares in dimension n with first row and first column 1,2,3 ..., n which are non-associative but commutative (element ij = element ji).

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0, 0, 0, 50, 396, 6120 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`At order 6 there are commutative but non-associative Latin squeres. - Artur Jasinski (grafix(AT)csl.pl), Dec 08 2006`
	CROSSREFS	`Sequence in context: A046656 A124809 A031420 this_sequence A019561 A128954 A022147` `Adjacent sequences: A111338 A111339 A111340 this_sequence A111342 A111343 A111344`
	KEYWORD	`nonn`
	AUTHOR	`ARTUR JASINSKI (grafix(AT)csl.pl), Nov 06 2005`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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