Primes p such that p + 270 is also prime.

7, 11, 13, 23, 37, 41, 43, 47, 61, 67, 79, 83, 89, 97, 103, 109, 113, 127, 131, 139, 149, 151, 163, 173, 179, 191, 193, 197, 229, 233, 239, 251, 271, 277, 293, 307, 317, 331, 337, 347, 349, 373, 383, 389, 421, 431, 439, 449, 457, 463, 487, 491, 499, 503

1

Progress has been rapid in trying to prove the twin primes conjecture: down from 70000000 in one year.

T. D. Noe, Plot of 1000 terms

T. D. Noe, Table of 1000 terms

Terence Tao, PolyMath8: wrapping up

(Mma) Select[Prime[Range[100]], PrimeQ[270 + #] &]

Cf. A225423 (p + 70000000 is also prime), A231607 (p + 600 is also prime), S000152.

nonn

T. D. Noe, Jun 24 2014