id:A062326 - OEIS Search Results

Search: id:A062326

Displaying 1-1 of 1 results found.

page 1

Primes p such that p^2-2 is also prime.

+0
8

2, 3, 5, 7, 13, 19, 29, 37, 43, 47, 61, 71, 89, 103, 107, 127, 131, 139, 173, 191, 211, 223, 233, 239, 257, 293, 313, 337, 359, 421, 443, 449, 467, 491, 523, 541, 569, 587, 607, 653, 677, 719, 727, 733, 743, 751, 757, 761, 797, 811, 863, 881, 1013, 1021 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`When p and p^2-2 are both prime, the fundamental solution of the Pell equation x^2 - n*y^2 = 1, for n=p^2-2, is x=p^2-1 and y=p. See A109748 for the case of n and x both prime. - T. D. Noe, May 19 2007`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	CROSSREFS	`Cf. A049002 (p^2-2).` `Sequence in context: A062252 A147791 A072467 this_sequence A066076 A136288 A088091` `Adjacent sequences: A062323 A062324 A062325 this_sequence A062327 A062328 A062329`
	KEYWORD	`nonn,nice`
	AUTHOR	`Reiner Martin (reinermartin(AT)hotmail.com), Jul 12 2001`

page 1

Search completed in 0.002 seconds

Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

AT&T Labs Research