A001331 - OEIS

This site is supported by donations to The OEIS Foundation.

A001331

Number of n-element algebras with 1 ternary operation.
(Formerly M5395 N2344)

1, 130, 1270932917454, 14178431955039102644307345678938144832, 19591572513704791799478942287037427963644425946432640042160816616766795992851260047500, 1672390093955882094725125078968449171301017629802018367164057251590306327375884442617701277598562886114475651122751129803783336384871488080121922759032559677888042592 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	REFERENCES	`M. A. Harrison, The number of isomorphism types of finite algebras, Proc. Amer. Math. Soc., 17 (1966), 731-737.` `N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	CROSSREFS	`Cf. A091510.` `Sequence in context: A084641 A168124 A184283 * A145096 A050671 A095317` `Adjacent sequences: A001328 A001329 A001330 * A001332 A001333 A001334`
	KEYWORD	`nonn,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Pab Ter (pabrlos(AT)yahoo.com), May 06 2004`

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

Last modified February 16 17:48 EST 2012. Contains 205939 sequences.