Generalized cuban primes: primes of the form x^2 + xy + y^2; or primes of the form x^2 + 3*y^2; or primes == 0 or 1 (mod 3).
A007645
Generalized cuban primes: primes of the form x^2 + xy + y^2; or primes of the form x^2 + 3*y^2; or primes == 0 or 1 (mod 3).
Terms
- a(0) =3a(1) =7a(2) =13a(3) =19a(4) =31a(5) =37a(6) =43a(7) =61a(8) =67a(9) =73a(10) =79a(11) =97a(12) =103a(13) =109a(14) =127a(15) =139a(16) =151a(17) =157a(18) =163a(19) =181a(20) =193a(21) =199a(22) =211a(23) =223a(24) =229a(25) =241a(26) =271a(27) =277a(28) =283a(29) =307
External references
- oeis: A007645