A031336 a(n) = prime(3*n).

5, 13, 23, 37, 47, 61, 73, 89, 103, 113, 137, 151, 167, 181, 197, 223, 233, 251, 269, 281, 307, 317, 347, 359, 379, 397, 419, 433, 449, 463, 487, 503, 523, 557, 571, 593, 607, 619, 643, 659, 677, 701, 727, 743, 761, 787, 811, 827, 853, 863, 883, 911

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Maple

ithprime(3*n)

Mathematica

Table[Prime[3 n], {n, 100}] (* Vincenzo Librandi, May 07 2014 *)

Prog

(Magma) [NthPrime(3*n): n in [1..60] ]; // Vincenzo Librandi, Apr 11 2011
(Sage) [nth_prime(3*n) for n in (1..60)] # Bruno Berselli, May 07 2014

Crossrefs

Cf. similar sequences listed in A246929.

Sequence in context: A049882 A108195 A074798 * A099958 A213483 A049833

Adjacent sequences: A031333 A031334 A031335 * A031337 A031338 A031339

Keyword

nonn,easy

Author

Jeff Burch

Extensions

Corrected by Zak Seidov, Feb 01 2006

Status

approved