A031340 a(n) = prime(7*n).

17, 43, 73, 107, 149, 181, 227, 263, 307, 349, 389, 433, 467, 521, 571, 613, 653, 701, 751, 809, 853, 887, 947, 997, 1039, 1091, 1129, 1193, 1237, 1291, 1327, 1423, 1453, 1493, 1553, 1601, 1637, 1699, 1753, 1811, 1873, 1931, 1993

Offset: 1

Author

Jeff Burch

Keywords

• nonn
• easy

Links

• Jens Kruse Andersen, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. similar sequences listed in A031336.

Programs

Magma

[NthPrime(7*n): n in [1..50]]; // Vincenzo Librandi, Apr 10 2011

Maple

ithprime(7*n)

Mathematica

Prime[7*Range[50]] (* Harvey P. Dale, Nov 24 2011 *)

PARI

a(n)=prime(7*n) \\ Edward Jiang, Sep 08 2014

Sage

[nth_prime(7*n) for n in (1..50)] # Bruno Berselli, May 07 2014