id:A023211 - OEIS Search Results

Search: id:A023211

Displaying 1-1 of 1 results found.

page 1

Numbers n such that n and 3n + 10 both prime.

+0
1

3, 7, 11, 17, 19, 23, 29, 31, 43, 47, 61, 67, 71, 73, 89, 101, 107, 109, 113, 137, 149, 151, 163, 179, 197, 199, 211, 227, 233, 239, 241, 271, 281, 283, 337, 347, 353, 359, 373, 397, 401, 409, 431, 439, 457, 463, 479, 487, 491, 523, 563, 571, 577, 593, 607, 617, 619, 641 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`f[n_]:=PrimeQ[(n+2)*3+4]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 12 2009]`
	CROSSREFS	`Sequence in context: A118000 A121640 A112786 this_sequence A038981 A065376 A130090` `Adjacent sequences: A023208 A023209 A023210 this_sequence A023212 A023213 A023214`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

page 1

Search completed in 0.002 seconds

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research