A224857 Numbers n such that 90n + 41 and 90n + 43 are twin primes.

0, 3, 11, 14, 16, 21, 23, 26, 37, 38, 42, 44, 45, 47, 52, 60, 74, 75, 81, 91, 98, 100, 114, 131, 142, 144, 152, 154, 156, 177, 178, 185, 196, 200, 201, 203, 213, 219, 220, 222, 233, 235, 245, 247, 250, 284, 296, 298, 299, 306, 310, 317, 318, 319, 322, 333

Offset

1,2

Comments

All matching entries for A202104 and A202105 are twin prime.

Links

Table of n, a(n) for n=1..56.

Mathematica

Select[Range[0, 499], PrimeQ[90# + 41] && PrimeQ[90# + 43] &] (* Alonso del Arte, Jul 22 2013 *)

Crossrefs

Cf. A202104, A202105.

Sequence in context: A176049 A228237 A186078 * A322608 A063963 A101585

Adjacent sequences: A224854 A224855 A224856 * A224858 A224859 A224860

Keyword

nonn,easy

Author

J. W. Helkenberg, Jul 22 2013

Extensions

More terms from Alonso del Arte, Jul 22 2013

Status

approved