id:A007646 - OEIS Search Results

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Numbers n such that n*4^n + 1 is prime.
(Formerly M2699)

+0
2

1, 3, 7, 33, 67, 223, 663, 912, 1383, 3777, 3972, 10669, 48375 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`H. Dubner, Generalized Cullen numbers, J. Rec. Math., 21 (No. 3, 1989), 190-191.`
	LINKS	`G. Loeh, Generalized Cullen primes`
	CROSSREFS	`Sequence in context: A074699 A115088 A089622 this_sequence A120566 A057480 A051256` `Adjacent sequences: A007643 A007644 A007645 this_sequence A007647 A007648 A007649`
	KEYWORD	`hard,nonn`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Robert G. Wilson v (rgwv(AT)rgwv.com)` `More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 05 2008`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.