id:A064221 - OEIS Search Results

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Least k such that k*12^n +/- 1 are twin primes.

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4, 1, 3, 19, 33, 4, 165, 35, 150, 35, 205, 35, 63, 435, 48, 4, 223, 399, 388, 149, 125, 86, 335, 491, 565, 876, 73, 250, 85, 526, 217, 139, 557, 676, 488, 629, 592, 1290, 2110, 366, 140, 2461, 6198, 6476, 2033, 751, 7258, 2054, 2275, 1345, 445 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Do[ k = 1; While[ ! PrimeQ[ k12^n + 1 ] \|\| ! PrimeQ[ k12^n - 1 ], k++ ]; Print[ k ], {n, 0, 50} ]`
	CROSSREFS	`Cf. A063983.` `Adjacent sequences: A064218 A064219 A064220 this_sequence A064222 A064223 A064224` `Sequence in context: A156224 A162516 A085471 this_sequence A152890 A143354 A106141`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 21 2001`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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