A268426 Primes of the form p^2 + 12*q^2, p, q primes.

73, 97, 157, 229, 277, 337, 349, 397, 409, 421, 577, 613, 661, 709, 757, 829, 877, 1009, 1069, 1117, 1429, 1549, 1621, 1669, 1741, 1789, 2053, 2269, 2293, 2389, 2437, 2557, 2797, 2857, 2917, 3109, 3301, 3517, 3529, 3637

Offset

1,1

Comments

A variant of the cuban primes.

Links

Table of n, a(n) for n=1..40.

Zak Seidov, Table of a(n), p, q for n=1..116.

Example

73=5^2+12*2^2, 97= 7^2+12* 2^2, 157= 7^2+12*3^2.

Crossrefs

Cf. A002407.

Sequence in context: A034848 A168110 A139972 * A155573 A107008 A141375

Adjacent sequences: A268423 A268424 A268425 * A268427 A268428 A268429

Keyword

nonn

Author

Zak Seidov, Feb 04 2016

Status

approved