A037221 - OEIS

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A037221

Number of near-rings (or nearrings) definable on cyclic group of order n.

3, 5, 12, 10, 60, 24, 135, 222, 329, 139, 1749, 454, 2716, 3817 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	LINKS	`W. E. Clark and J. Pedersen, Catalogue of Algebraic Systems` `C. Noebauer, Home page` `C. Noebauer, The Numbers of Small Rings` `C. Noebauer, Thesis on the enumeration of near-rings`
	CROSSREFS	`Cf. A027623, A037291.` `Sequence in context: A101315 A066541 A087122 * A080560 A151866 A057587` `Adjacent sequences: A037218 A037219 A037220 * A037222 A037223 A037224`
	KEYWORD	`nonn,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Corrected by Christof Noebauer (christof.noebauer(AT)algebra.uni-linz.ac.at), Sep 29 2000`

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.