id:A001989 - OEIS Search Results

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A001989

Class numbers of quadratic fields.
(Formerly M3756 N1535)

+0
1

1, 1, 5, 7, 7, 7, 9, 53, 73, 83, 83, 83, 157, 157, 185, 185, 185, 1927, 2295, 2273, 5313, 5313, 7173, 9529, 18545, 18545, 18545, 18545, 22635, 22635, 66011, 121725, 344909, 344909 (list; graph; listen)

	OFFSET	`3,3`
	REFERENCES	`D. H. Lehmer, E. Lehmer and D. Shanks, Integer sequences having prescribed quadratic character, Math. Comp., 24 (1970), 433-451.`
	CROSSREFS	`Sequence in context: A093723 A065773 A114916 this_sequence A086056 A137755 A053672` `Adjacent sequences: A001986 A001987 A001988 this_sequence A001990 A001991 A001992`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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