A032390 - OEIS

This site is supported by donations to The OEIS Foundation.

A032390

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

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; 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: A064401 A079337 A160934 * A112918 A138920 A048224` `Adjacent sequences: A032387 A032388 A032389 * A032391 A032392 A032393`
	KEYWORD	`nonn`
	AUTHOR	`Jim Buddenhagen (jbuddenh(AT)gmail.com)`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 16:39 EST 2012. Contains 206058 sequences.