id:A153812 - OEIS Search Results

Search: id:A153812

Displaying 1-1 of 1 results found.

page 1

Primes p such that 6*p^2+1 is also prime.

+0
2

5, 11, 59, 79, 89, 109, 131, 191, 199, 241, 269, 359, 389, 431, 439, 661, 691, 829, 859, 1019, 1109, 1181, 1249, 1319, 1439, 1621, 1759, 1789, 1831, 1949, 1979, 2011, 2081, 2111, 2179, 2341, 2371, 2389, 2441, 2459, 2671, 2699, 2861, 2999, 3169, 3229, 3251 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`For prime p = 199, 6*p^2+1 = 237607 is prime.`
	PROGRAM	`(MAGMA) [ p: p in PrimesUpTo(3300) \| IsPrime(6*p^2+1) ];`
	CROSSREFS	`Cf. A052291 (primes p such that 4p^2 + 1 is also prime).` `Sequence in context: A091798 A070198 A121934 this_sequence A153209 A106257 A104358` `Adjacent sequences: A153809 A153810 A153811 this_sequence A153813 A153814 A153815`
	KEYWORD	`nonn`
	AUTHOR	`Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jan 01 2009`

page 1

Search completed in 0.002 seconds

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research