A031369 a(n) = prime(3n-1).

3, 11, 19, 31, 43, 59, 71, 83, 101, 109, 131, 149, 163, 179, 193, 211, 229, 241, 263, 277, 293, 313, 337, 353, 373, 389, 409, 431, 443, 461, 479, 499, 521, 547, 569, 587, 601, 617, 641, 653, 673, 691, 719, 739, 757, 773, 809, 823, 839, 859, 881

Offset: 1

Author

Jeff Burch

Keywords

• nonn

Links

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

Programs

Magma

[ NthPrime(3*n-1): n in [1..1000] ]; // Vincenzo Librandi, Apr 11 2011

Mathematica

Prime[3*Range[60]-1] (* Harvey P. Dale, Jul 14 2012 *)