A224855 Numbers n such that 90*n + 17 and 90*n + 19 are twin primes.

0, 1, 2, 9, 14, 22, 23, 25, 35, 36, 39, 46, 48, 50, 53, 55, 60, 65, 77, 79, 81, 83, 86, 93, 98, 111, 116, 130, 148, 154, 165, 168, 189, 191, 193, 196, 197, 198, 203, 210, 226, 230, 231, 232, 246, 252, 256, 263, 281, 284, 287, 301, 308, 310, 312, 314, 317, 347

Offset

1,3

Comments

All matching entries for A202115 and A196000 are twin primes.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[0, 499], PrimeQ[90# + 17] && PrimeQ[90# + 19] &] (* Copied from: Alonso del Arte, Jul 22 2013 *)

Crossrefs

Cf. A202115, A196000.

Sequence in context: A045920 A242466 A071344 * A366938 A254608 A324275

Adjacent sequences: A224852 A224853 A224854 * A224856 A224857 A224858

Keyword

nonn

Author

J. W. Helkenberg, Jul 22 2013

Status

approved