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 A238669 Primes p such that (p+7)^2+7 is prime but (p+j)^2+j is not prime for all 0
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..10000 MATHEMATICA Select[Prime[Range[600]], PrimeQ[(#+7)^2+7]&&NoneTrue[Table[(#+j)^2+j, {j, 6}], PrimeQ]&] (* Harvey P. Dale, Apr 04 2024 *) CROSSREFS Column k=7 of A238086. Sequence in context: A088563 A142222 A123300 * A142018 A106948 A139989 Adjacent sequences: A238666 A238667 A238668 * A238670 A238671 A238672 KEYWORD nonn AUTHOR Alois P. Heinz, Mar 02 2014 STATUS approved

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Last modified August 7 02:33 EDT 2024. Contains 375003 sequences. (Running on oeis4.)