A058119 - OEIS

This site is supported by donations to The OEIS Foundation.

A058119

Number of self-converse semigroups of order n with 1 idempotent.

1, 2, 5, 18, 93, 930, 22899 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Index entries for sequences related to semigroups`
	CROSSREFS	`Column 1 of A058118.` `Sequence in context: A032273 A143522 A123310 * A075441 A187008 A075634` `Adjacent sequences: A058116 A058117 A058118 * A058120 A058121 A058122`
	KEYWORD	`nonn,hard`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Nov 10 2000`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 07:40 EST 2012. Contains 205715 sequences.