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A031341 a(n) = prime(8*n). 1

%I #24 Sep 08 2022 08:44:50

%S 19,53,89,131,173,223,263,311,359,409,457,503,569,613,659,719,769,827,

%T 881,941,997,1049,1097,1163,1223,1283,1321,1423,1459,1511,1571,1619,

%U 1693,1747,1811,1877,1949,2003,2069,2129,2203,2267,2311,2377,2423,2503

%N a(n) = prime(8*n).

%H Jens Kruse Andersen, <a href="/A031341/b031341.txt">Table of n, a(n) for n = 1..10000</a>

%p ithprime(8*n)

%t Table[Prime[8n], {n, 1, 60}] (* _Stefan Steinerberger_, Apr 20 2006 *)

%o (Magma) [ NthPrime(8*n): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 09 2011

%o (Sage) [nth_prime(8*n) for n in (1..50)] # _Bruno Berselli_, May 07 2014

%o (PARI) a(n)=prime(8*n) \\ _Edward Jiang_, Sep 08 2014

%Y Cf. similar sequences listed in A031336.

%K nonn,easy

%O 1,1

%A _Jeff Burch_

%E More terms from _Stefan Steinerberger_, Apr 20 2006

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Last modified July 5 03:18 EDT 2024. Contains 374017 sequences. (Running on oeis4.)