id:A130327 - OEIS Search Results

Search: id:A130327

Displaying 1-1 of 1 results found.

page 1

Least prime p such that 3*p*2^n-1 and 3*p*2^n+1 are twin primes.

+0
3

2, 2, 5, 3, 5, 2, 11, 3, 19, 17, 5, 113, 59, 317, 331, 307, 241, 2, 829, 23, 149, 127, 11, 3023, 1091, 787, 971, 1523, 2741, 727, 1051, 227, 211, 727, 89, 1163, 71, 367, 1031, 577, 89, 1213, 1151, 3, 1021, 283, 2699, 4933, 59, 647, 709 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`Pierre CAMI, Table of n, a(n) for n = 0..200`
	EXAMPLE	`322^0-1=5,322^0+1=7 5 and 7 twin primes so for n=0 p=2` `322^1-1=11,322^1+1=13 11 and 13 twin primes so for n=1 p=2`
	CROSSREFS	`Cf. A130325, A130326.` `Adjacent sequences: A130324 A130325 A130326 this_sequence A130328 A130329 A130330` `Sequence in context: A076561 A132851 A128134 this_sequence A088652 A045893 A071939`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), May 24 2007`

page 1

Search completed in 0.002 seconds

Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research