id:A032381 - OEIS Search Results

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Numbers n such that 63*2^n+1 is prime.

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1, 4, 5, 9, 10, 14, 17, 18, 21, 25, 37, 38, 44, 60, 65, 94, 133, 153, 228, 280, 314, 326, 334, 340, 410, 429, 626, 693, 741, 768, 1150, 1290, 1441, 2424, 2478, 3024, 3293, 4956, 5221, 6416, 8480, 20746, 24633, 30053, 34074, 88366, 121917, 125218 (list; graph; listen)

	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: A001983 A143575 A047208 this_sequence A050036 A059582 A034809` `Adjacent sequences: A032378 A032379 A032380 this_sequence A032382 A032383 A032384`
	KEYWORD	`nonn`
	AUTHOR	`Jim Buddenhagen (jbuddenh(AT)gmail.com)`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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