A201254 Primes of the form 7n^3+5.

5, 61, 12101, 19213, 40829, 326597, 518621, 596293, 774149, 1102253, 1229317, 1668301, 4148933, 5450821, 6193157, 6588349, 7428461, 10370813, 12710941, 18396509, 30876613, 45043997, 51109693, 61192717, 72521629, 128798213

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..2300

Mathematica

Select[Table[7n^3+5, {n, 0, 6000}], PrimeQ]

Prog

(Magma) [a: n in [0..400] | IsPrime(a) where a is 7*n^3+5]

Crossrefs

Sequence in context: A231798 A258672 A326571 * A116163 A092823 A152031

Adjacent sequences: A201251 A201252 A201253 * A201255 A201256 A201257

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 29 2011

Status

approved