A031913 a(n) = prime(9*n - 6).

5, 37, 73, 113, 167, 223, 269, 317, 379, 433, 487, 557, 607, 659, 727, 787, 853, 911, 977, 1033, 1093, 1163, 1229, 1291, 1367, 1439, 1489, 1559, 1613, 1693, 1753, 1831, 1901, 1987, 2039, 2111, 2179, 2267, 2333, 2383, 2447, 2543, 2621

Offset: 1

Author

Jeff Burch

Keywords

• nonn

Links

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

Crossrefs

Cf. A000040, A017197, A031911, A031912, A031914.

Programs

Magma

[ NthPrime(9*n-6): n in [1..1000] ]; // Vincenzo Librandi, Apr 09 2011

Mathematica

Prime[9Range[50]-6] (* Harvey P. Dale, Jul 27 2011 *)

SageMath

[nth_prime(9*n-6) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

Formula

a(n) = A000040(A017197(n-1)). - G. C. Greubel, Feb 18 2024