A260809 Primes p such that p = q^2 - 14*r^2 where q and r are also primes.

43, 113, 163, 179, 233, 443, 491, 683, 1019, 1163, 1187, 1283, 1499, 1523, 1723, 1787, 2003, 2027, 2083, 2153, 2459, 2683, 2753, 2843, 2963, 3203, 3347, 3371, 3803, 4139, 4363, 4523, 4547, 4643, 4691, 5147, 5273, 5387, 5483, 5867, 6203, 6323, 6563, 6763

Offset

1,1

Links

Colin Barker, Table of n, a(n) for n = 1..1000

Example

443 is in the sequence because 443 = 53^2 - 14*13^2 and 443, 53 and 13 are all primes.

Crossrefs

Cf. A260805, A260806, A260807, A260808.

Sequence in context: A052088 A068699 A052089 * A039471 A104783 A142081

Adjacent sequences: A260806 A260807 A260808 * A260810 A260811 A260812

Keyword

nonn

Author

Colin Barker, Jul 31 2015

Status

approved