id:A003651 - OEIS Search Results

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Class number of real quadratic field with discriminant 4n, n == 2,3 ( mod 4).
(Formerly M0066)

+0
2

1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 2, 2, 3, 4, 1, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 4, 1, 1, 2, 1, 3, 2, 2, 1, 2, 2, 1, 2, 1, 1, 1, 4, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 4, 1, 2, 2, 1, 4, 1, 1, 2, 2, 4, 2, 3, 8, 1, 2, 4, 6, 2, 1, 2, 2, 1, 3 (list; graph; listen)

	OFFSET	`2,5`
	REFERENCES	`D. A. Buell, Binary Quadratic Forms. Springer-Verlag, NY, 1989, pp. 224-241.`
	CROSSREFS	`Cf. A003650.` `Adjacent sequences: A003648 A003649 A003650 this_sequence A003652 A003653 A003654` `Sequence in context: A097305 A120675 A072699 this_sequence A073203 A073204 A034003`
	KEYWORD	`nonn`
	AUTHOR	`njas, Mira Bernstein`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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