id:A102265 - OEIS Search Results

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Smallest prime for which 2^n exactly divides the class number h(8p) and X^2 - 2pY^2 = -1 is solvable.

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5, 41, 113, 3089, 12641, 50753, 675569, 1410977 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Cohn, H. and Lagarias, J. C., On the existence of fields governing the 2-invariants of the classgroup of Q(sqrt{dp}) as p varies, Math. Comp. 41 (1983), 711-730.`
	CROSSREFS	`Adjacent sequences: A102262 A102263 A102264 this_sequence A102266 A102267 A102268` `Sequence in context: A031917 A139846 A142101 this_sequence A128347 A056905 A088547`
	KEYWORD	`nonn`
	AUTHOR	`njas, Feb 19 2005`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.