id:A033269 - OEIS Search Results

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Numbers n such that every genus of binary quadratic forms of discriminant -4n consists of a single class and the class number h(-4n) = 16.

+0
2

840, 1320, 1365, 1848 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989, p. 60.` `G. B. Mathews, Theory of Numbers, Chelsea, no date, p. 263.`
	CROSSREFS	`A subsequence of A000926.` `Sequence in context: A102793 A144770 A068546 this_sequence A092002 A158402 A045477` `Adjacent sequences: A033266 A033267 A033268 this_sequence A033270 A033271 A033272`
	KEYWORD	`nonn,fini,full`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.