id:A032390 - OEIS Search Results

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Numbers n such that 81*2^n+1 is prime.

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1, 4, 5, 7, 12, 15, 16, 21, 25, 27, 32, 35, 36, 39, 48, 89, 104, 121, 125, 148, 152, 267, 271, 277, 296, 324, 344, 396, 421, 436, 447, 539, 577, 592, 711, 809, 852, 1384, 1972, 2624, 2829, 3497, 3945, 3995, 4911, 5225, 5676, 5811, 7025, 7671, 8512, 10399 (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: A064401 A079337 A160934 this_sequence A112918 A138920 A048224` `Adjacent sequences: A032387 A032388 A032389 this_sequence A032391 A032392 A032393`
	KEYWORD	`nonn`
	AUTHOR	`Jim Buddenhagen (jbuddenh(AT)gmail.com)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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