A238671 Primes p such that (p+9)^2+9 is prime but (p+j)^2+j is not prime for all 0<j<9.

101, 191, 233, 311, 881, 1103, 1291, 1733, 1831, 1931, 2011, 2029, 2113, 2129, 2269, 2543, 2843, 3023, 3089, 3163, 3299, 3491, 3701, 3761, 3943, 4051, 4391, 4583, 4951, 5333, 5441, 5743, 5801, 6211, 6421, 6491, 7019, 7069, 7121, 7253, 7331, 8081, 8171, 8293

Offset

1,1

Links

Alois P. Heinz, Table of n, a(n) for n = 1..10000

Mathematica

Select[Prime[Range[1100]], PrimeQ[(#+9)^2+9]&&NoneTrue[Table[(#+j)^2+j, {j, 8}], PrimeQ]&] (* Harvey P. Dale, Jul 02 2022 *)

Crossrefs

Column k=9 of A238086.

Sequence in context: A076613 A045978 A325071 * A269575 A177032 A141913

Adjacent sequences: A238668 A238669 A238670 * A238672 A238673 A238674

Keyword

nonn

Author

Alois P. Heinz, Mar 02 2014

Status

approved