id:A028876 - OEIS Search Results

Search: id:A028876

Displaying 1-1 of 1 results found.

page 1

Numbers n such that n^2 - 5 is prime.

+0
1

4, 6, 8, 12, 14, 16, 22, 24, 32, 34, 36, 38, 42, 44, 46, 52, 58, 64, 72, 74, 78, 82, 94, 102, 112, 116, 122, 132, 144, 152, 164, 166, 168, 174, 176, 182, 184, 186, 188, 198, 204, 212, 222, 226, 232, 234, 236, 252, 262, 264, 278, 284, 288, 292, 298 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Palindromic Quasipronics of the form n(n+x)` `Eric Weisstein's World of Mathematics, Near-Square Prime`
	MATHEMATICA	`lst={}; Do[p=n^2-5; If[PrimeQ[p], AppendTo[lst, n]], {n, 0, 6!, 1}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 27 2009]`
	CROSSREFS	`Sequence in context: A047407 A090697 A107303 this_sequence A053579 A074121 A055670` `Adjacent sequences: A028873 A028874 A028875 this_sequence A028877 A028878 A028879`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`

page 1

Search completed in 0.002 seconds

Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research