A031915 a(n) = prime(8*n - 7).

2, 23, 59, 97, 137, 179, 227, 269, 313, 367, 419, 461, 509, 571, 617, 661, 727, 773, 829, 883, 947, 1009, 1051, 1103, 1171, 1229, 1289, 1327, 1427, 1471, 1523, 1579, 1621, 1697, 1753, 1823, 1879, 1951, 2011, 2081, 2131, 2207, 2269, 2333, 2381

Offset: 1

Author

Jeff Burch

Keywords

• nonn

Links

• Ivan Panchenko, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A000040, A017077, A031914, A031916, A031917.

Programs

Magma

[ NthPrime(8*n-7): n in [1..1000] ]; // Vincenzo Librandi, Apr 09 2011

Mathematica

Prime[8*Range[60]-7] (* G. C. Greubel, Feb 18 2024 *)

SageMath

[nth_prime(8*n-7) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

Formula

a(n) = prime(A017077(n-1)). - Michel Marcus, Aug 07 2021