id:A134304 - OEIS Search Results

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Least k such that k*2^n*(k*2^n-1)-1 and k*2^n*(k*2^n-1)+1 are twin primes.

+0
3

2, 1, 2, 1, 11, 21, 57, 211, 141, 156, 78, 39, 140, 70, 35, 214, 107, 90, 45, 309, 330, 165, 120, 60, 30, 15, 435, 651, 420, 210, 105, 429, 1143, 576, 288, 144, 72, 36, 18, 9, 116, 58, 29, 2286, 1143, 1638, 819, 1071, 983, 1983 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A134303 A134305.` `Sequence in context: A071560 A097749 A126906 this_sequence A134569 A072883 A093101` `Adjacent sequences: A134301 A134302 A134303 this_sequence A134305 A134306 A134307`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Oct 19 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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