id:A108256 - OEIS Search Results

Search: id:A108256

Displaying 1-1 of 1 results found.

page 1

Primes p such that little googol - p is prime.

+0
1

479, 1187, 1289, 2609, 2699, 2999, 3347, 3923, 3989, 4289, 4583, 5009, 5309, 5417, 5807, 6047, 6053, 6257, 6599, 6779, 7103, 7253, 7727, 9029, 10433, 10667, 11093, 11549, 11579, 12377, 13007, 14243, 14867, 15287, 15683, 16187, 17519, 17669 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`A little googol = 2^100.`
	PROGRAM	`(PARI) g(n) = forstep(x=1, n, 2, if(isprime(2^100-x)&isprime(x), print1(x", ")))`
	CROSSREFS	`Sequence in context: A122268 A056987 A025025 this_sequence A115157 A019287 A108876` `Adjacent sequences: A108253 A108254 A108255 this_sequence A108257 A108258 A108259`
	KEYWORD	`easy,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Jun 18 2005`

page 1

Search completed in 0.002 seconds

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research