

A155737


Primes of the form 4*n^2 + 2*n 1.


3



5, 19, 41, 71, 109, 271, 419, 599, 701, 811, 929, 1481, 1979, 2161, 2351, 2549, 2969, 3191, 3659, 4159, 4421, 4691, 4969, 5851, 7481, 8929, 9311, 10099, 13109, 14519, 16001, 17029, 18089, 19181, 19739, 20879, 22051, 23869, 25121, 25759, 27059
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OFFSET

1,1


COMMENTS



LINKS



MATHEMATICA



PROG

(Magma) [a: n in [0..100]  IsPrime(a) where a is 4*n^2+2*n1]; // Vincenzo Librandi, Jul 23 2012
(PARI) (for (n=0, 100, if (isprime (k=4*n^2+2*n1), print1 (k, ", ")))); \\ Vincenzo Librandi, Jul 23 2012


CROSSREFS



KEYWORD

nonn,easy


AUTHOR



EXTENSIONS



STATUS

approved



