A224862 Numbers n such that 90*n + 71 and 90*n + 73 are twin primes.

0, 4, 5, 9, 11, 12, 20, 23, 28, 39, 40, 42, 49, 54, 55, 62, 63, 72, 103, 104, 114, 133, 154, 161, 173, 174, 181, 182, 184, 187, 202, 205, 215, 221, 224, 230, 238, 249, 250, 257, 258, 261, 263, 264, 270, 291, 296, 298, 308, 338, 342, 345, 348, 361, 364, 389, 394

Offset

1,2

Links

Table of n, a(n) for n=1..57.

Formula

A202129 INTERSECTS A195993.

Mathematica

Select[Range[0, 499], PrimeQ[90# + 71] && PrimeQ[90# + 73] &] (* copied from: Alonso del Arte, Jul 22 2013 *)

Crossrefs

Cf. A202129, A195993.

Sequence in context: A001161 A099539 A110603 * A010416 A134921 A117870

Adjacent sequences: A224859 A224860 A224861 * A224863 A224864 A224865

Keyword

nonn

Author

J. W. Helkenberg, Jul 22 2013

Status

approved