cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A238669 Primes p such that (p+7)^2+7 is prime but (p+j)^2+j is not prime for all 0

Original entry on oeis.org

107, 293, 359, 389, 397, 401, 433, 461, 647, 727, 797, 821, 977, 1063, 1163, 1229, 1301, 1367, 1427, 1451, 1499, 1571, 1657, 1721, 1987, 2099, 2111, 2179, 2207, 2351, 2447, 2707, 2797, 2801, 2861, 2957, 3037, 3187, 3221, 3457, 3463, 3527, 3541, 3557, 3607
Offset: 1

Views

Author

Alois P. Heinz, Mar 02 2014

Keywords

Crossrefs

Column k=7 of A238086.

Programs

  • Mathematica
    Select[Prime[Range[600]],PrimeQ[(#+7)^2+7]&&NoneTrue[Table[(#+j)^2+j,{j,6}],PrimeQ]&] (* Harvey P. Dale, Apr 04 2024 *)