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A031913 a(n) = prime(9*n - 6). 4

%I #19 Feb 18 2024 04:59:44

%S 5,37,73,113,167,223,269,317,379,433,487,557,607,659,727,787,853,911,

%T 977,1033,1093,1163,1229,1291,1367,1439,1489,1559,1613,1693,1753,1831,

%U 1901,1987,2039,2111,2179,2267,2333,2383,2447,2543,2621

%N a(n) = prime(9*n - 6).

%H Ivan Panchenko, <a href="/A031913/b031913.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) = A000040(A017197(n-1)). - _G. C. Greubel_, Feb 18 2024

%t Prime[9Range[50]-6] (* _Harvey P. Dale_, Jul 27 2011 *)

%o (Magma) [ NthPrime(9*n-6): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 09 2011

%o (SageMath) [nth_prime(9*n-6) for n in range(1,61)] # _G. C. Greubel_, Feb 18 2024

%Y Cf. A000040, A017197, A031911, A031912, A031914.

%K nonn

%O 1,1

%A _Jeff Burch_

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)