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A244029 Primes p such that the quadratic form x^2+p*y^2 does not represent a prime strictly between p and 2p. 3
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 (list; graph; refs; listen; history; text; internal format)
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 A293711 A155938

Adjacent sequences:  A244026 A244027 A244028 * A244030 A244031 A244032

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 22 2014

STATUS

approved

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Last modified February 24 01:16 EST 2020. Contains 332195 sequences. (Running on oeis4.)