A031377 - OEIS

%I #15 Sep 08 2022 08:44:50

%S 2,7,17,29,41,53,67,79,97,107,127,139,157,173,191,199,227,239,257,271,

%T 283,311,331,349,367,383,401,421,439,457,467,491,509,541,563,577,599,

%U 613,631,647,661,683,709,733,751,769,797,821,829,857,877

%N a(n) = prime(3n-2).

%H Ivan Panchenko, <a href="/A031377/b031377.txt">Table of n, a(n) for n = 1..1000</a>

%t Prime[3*Range[70]-2] (* _Harvey P. Dale_, Mar 23 2012 *)

%o (Magma) [ NthPrime(3*n-2): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 11 2011

%K nonn

%O 1,1

%A _Jeff Burch_