id:A003638 - OEIS Search Results

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Number of classes per genus in quadratic field with discriminant -4n, -n == 2,3( mod 4).
(Formerly M0191)

+0
2

1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 1, 3, 4, 1, 2, 3, 1, 1, 3, 4, 2, 2, 2, 1, 2, 5, 2, 1, 2, 1, 5, 6, 1, 4, 2, 7, 1, 1, 3, 3, 3, 4, 2, 3, 5, 3, 1, 1, 7, 4, 2, 2, 2, 2, 8, 7, 2, 3, 4, 4, 1, 5, 3, 7, 3, 1, 4, 5, 3, 4 (list; graph; listen)

	OFFSET	`1,7`
	REFERENCES	`D. A. Buell, Binary Quadratic Forms. Springer-Verlag, NY, 1989, pp. 224-241.`
	CROSSREFS	`Cf. A003637.` `Adjacent sequences: A003635 A003636 A003637 this_sequence A003639 A003640 A003641` `Sequence in context: A057431 A057060 A064894 this_sequence A094267 A136480 A050603`
	KEYWORD	`nonn`
	AUTHOR	`njas, Mira Bernstein`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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