id:A005474 - OEIS Search Results

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Class numbers of quadratic fields.
(Formerly M2215)

+0
1

1, 1, 1, 1, 1, 3, 1, 3, 5, 3, 3, 7, 3, 5, 7, 3, 3, 5, 9, 7, 3, 5, 5, 15, 9, 19, 5, 13, 9, 9, 5, 19, 9, 5, 7, 15, 13, 9, 9, 15, 25, 13, 9, 27, 19, 15, 21, 7, 13, 11, 23, 9, 13, 13, 11, 33, 15, 25, 23, 15, 13 (list; graph; listen)

	OFFSET	`1,6`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `D. Shanks, The simplest cubic fields, Math. Comp., 28 (1974), 1137-1152.`
	LINKS	`Index entries for sequences related to quadratic fields`
	CROSSREFS	`Sequence in context: A134231 A126637 A110091 this_sequence A012264 A063198 A122582` `Adjacent sequences: A005471 A005472 A005473 this_sequence A005475 A005476 A005477`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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