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A031336 Primes(3n). 15

%I

%S 5,13,23,37,47,61,73,89,103,113,137,151,167,181,197,223,233,251,269,

%T 281,307,317,347,359,379,397,419,433,449,463,487,503,523,557,571,593,

%U 607,619,643,659,677,701,727,743,761,787,811,827,853,863,883,911

%N Primes(3n).

%C Old name was "Primes p(3n)".

%H Vincenzo Librandi, <a href="/A031336/b031336.txt">Table of n, a(n) for n = 1..1000</a>

%p ithprime(3*n)

%t Table[Prime[3 n], {n, 100}] (* _Vincenzo Librandi_, May 07 2014 *)

%o (MAGMA) [NthPrime(3*n): n in [1..60] ]; // _Vincenzo Librandi_, Apr 11 2011

%o (Sage) [nth_prime(3*n) for n in (1..60)] # _Bruno Berselli_, May 07 2014

%Y Cf. similar sequences listed in A246929.

%K nonn,easy

%O 1,1

%A _Jeff Burch_

%E Corrected by _Zak Seidov_, Feb 01 2006

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Last modified June 13 16:17 EDT 2021. Contains 345008 sequences. (Running on oeis4.)