id:A120392 - OEIS Search Results

Search: id:A120392

Displaying 1-1 of 1 results found.

page 1

A120392

a(1)=least k such that p(1)=(k*3)^2 + k*3 -1 is prime (so a(1)=1 as 3^2+3-1= 11 = p(1) = prime), then a(n+1)=least k such that (k*p(n))^2 + k*p(n) -1 = p(n+1) = prime.

+0
1

1, 1, 1, 1, 13, 1, 101, 130, 109, 418 (list; graph; listen)

	OFFSET	`1,5`
	COMMENT	`p sequence starts 11,131,17291,298995971,15108361827832297751`
	CROSSREFS	`Sequence in context: A040181 A123187 A046733 this_sequence A133371 A010223 A010222` `Adjacent sequences: A120389 A120390 A120391 this_sequence A120393 A120394 A120395`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Jul 01 2006`

page 1

Search completed in 0.002 seconds

Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

AT&T Labs Research