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

Author

J. W. Helkenberg, Jul 22 2013

Keywords

• nonn

Comments

All matching entries for A202115 and A196000 are twin primes.

Links

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

Crossrefs

Cf. A202115, A196000.

Programs

Mathematica

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