A032405 - OEIS

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A032405

Numbers n such that 111*2^n+1 is prime.

1, 4, 28, 32, 44, 47, 71, 128, 137, 193, 676, 2344, 7828, 10883, 21596, 31724, 47783, 49816, 61300 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Ray Ballinger, Proth Search Page` `Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300` `Y. Gallot, Proth.exe: Windows Program for Finding Large Primes` `Wilfrid Keller, List of primes k.2^n - 1 for k < 300` `Index entries for sequences of n such that k2^n-1 (or k2^n+1) is prime`
	CROSSREFS	`Sequence in context: A153431 A043074 A137314 * A179279 A061428 A069518` `Adjacent sequences: A032402 A032403 A032404 * A032406 A032407 A032408`
	KEYWORD	`nonn`
	AUTHOR	`Jim Buddenhagen (jbuddenh(AT)gmail.com)`

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Last modified February 17 18:41 EST 2012. Contains 206074 sequences.