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A260809 Primes p such that p = q^2 - 14*r^2 where q and r are also primes. 5
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 19 20:55 EDT 2020. Contains 337182 sequences. (Running on oeis4.)