id:A032402 - OEIS Search Results

Search: id:A032402

Displaying 1-1 of 1 results found.

page 1

Numbers n such that 105*2^n+1 is prime.

+0
1

1, 2, 5, 7, 8, 12, 14, 23, 27, 33, 38, 49, 61, 62, 85, 93, 94, 107, 155, 182, 215, 273, 382, 392, 413, 434, 490, 1631, 3063, 3331, 3461, 3619, 4199, 4298, 5191, 7967, 8837, 9589, 10367, 13700, 14458, 14821, 21021, 21409, 22939, 29927, 30552, 30840 (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: A138671 A032724 A153308 this_sequence A020674 A005624 A139481` `Adjacent sequences: A032399 A032400 A032401 this_sequence A032403 A032404 A032405`
	KEYWORD	`nonn`
	AUTHOR	`Jim Buddenhagen (jbuddenh(AT)gmail.com)`

page 1

Search completed in 0.002 seconds

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research