A031914 a(n) = prime(10*n - 6).

7, 43, 89, 139, 193, 251, 311, 373, 433, 491, 569, 619, 683, 757, 827, 887, 971, 1033, 1097, 1181, 1249, 1307, 1423, 1481, 1549, 1609, 1693, 1759, 1861, 1931, 2003, 2083, 2143, 2243, 2311, 2383, 2459, 2551, 2657, 2707, 2777, 2851, 2939

Offset: 1

Author

Jeff Burch

Keywords

• nonn

Links

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

Crossrefs

Cf. A000040, A017317, A031911, A031912, A031913.

Programs

Magma

[ NthPrime(10*n-6): n in [1..1000] ]; // Vincenzo Librandi, Apr 08 2011

Mathematica

Prime[10Range[50]-6] (* Harvey P. Dale, May 08 2011 *)

SageMath

[nth_prime(10*n-6) for n in range(1,61)] # G. C. Greubel, Feb 18 2024

Formula

a(n) = A000040(A017317(n-1)). - G. C. Greubel, Feb 18 2024