A031919 - OEIS

%I #17 Sep 08 2022 08:44:50

%S 3,37,79,131,181,239,293,359,421,479,557,613,673,743,821,881,953,1021,

%T 1091,1163,1231,1301,1399,1459,1531,1601,1667,1747,1831,1907,1997,

%U 2069,2137,2237,2297,2377,2441,2543,2633,2693,2753,2837,2917

%N a(n) = prime(10*n-8).

%H Ivan Panchenko, <a href="/A031919/b031919.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) = A000040(A017293(n-1)). - _Michel Marcus_, May 04 2020

%o (Magma)  [ &+[(NthPrime(10*n-8))]: n in [1..1000] ]; // _Vincenzo Librandi_, Apr 08 2011

%o (PARI) a(n) = prime(10*n-8); \\ _Michel Marcus_, May 04 2020

%Y Cf. A000040, A017293.

%K nonn

%O 1,1

%A _Jeff Burch_