id:A076498 - OEIS Search Results

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Class number h(p) of real quadratic field Q(sqrt(p)) where p is n-th prime == 1 mod 4.

+0
2

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; listen)

	OFFSET	`1,22`
	REFERENCES	`H. Williams and H. te Riele, New computations concerning the Cohen-Lenstar heuristics, Experiment. Math. 12 (2003), no. 1, 99-113.`
	EXAMPLE	`h(p) = 1 for p < 229, h(229) = h(257) = h(733) = h(761) = 3, h(401)=5 and h(577)=7, ...`
	CROSSREFS	`Cf. A002144, A076499.` `Sequence in context: A104443 A103496 A124921 this_sequence A110268 A058965 A090623` `Adjacent sequences: A076495 A076496 A076497 this_sequence A076499 A076500 A076501`
	KEYWORD	`nonn`
	AUTHOR	`njas, Nov 11 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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