A244029 Primes p such that the quadratic form x^2+p*y^2 does not represent a prime strictly between p and 2p.

3, 5, 11, 17, 23, 29, 41, 59, 83, 89, 107, 179, 251, 263, 269, 293, 389, 401, 461, 479, 491, 569, 593, 881, 929, 1319, 1619, 1931, 2531, 2789, 3461, 3701, 4919, 5309, 7589, 9749, 26171

Offset

1,1

Links

Table of n, a(n) for n=1..37.

William C. Jagy and Irving Kaplansky, Positive definite binary quadratic forms that represent the same primes [Cached copy]

Crossrefs

Cf. A244030, A244031.

Sequence in context: A136084 A045410 A248173 * A106902 A343048 A293711

Adjacent sequences: A244026 A244027 A244028 * A244030 A244031 A244032

Keyword

nonn

Author

N. J. A. Sloane, Jun 22 2014

Status

approved