This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A031913 #19 Feb 18 2024 04:59:44 %S A031913 5,37,73,113,167,223,269,317,379,433,487,557,607,659,727,787,853,911, %T A031913 977,1033,1093,1163,1229,1291,1367,1439,1489,1559,1613,1693,1753,1831, %U A031913 1901,1987,2039,2111,2179,2267,2333,2383,2447,2543,2621 %N A031913 a(n) = prime(9*n - 6). %H A031913 Ivan Panchenko, <a href="/A031913/b031913.txt">Table of n, a(n) for n = 1..1000</a> %F A031913 a(n) = A000040(A017197(n-1)). - _G. C. Greubel_, Feb 18 2024 %t A031913 Prime[9Range[50]-6] (* _Harvey P. Dale_, Jul 27 2011 *) %o A031913 (Magma) [ NthPrime(9*n-6): n in [1..1000] ]; // _Vincenzo Librandi_, Apr 09 2011 %o A031913 (SageMath) [nth_prime(9*n-6) for n in range(1,61)] # _G. C. Greubel_, Feb 18 2024 %Y A031913 Cf. A000040, A017197, A031911, A031912, A031914. %K A031913 nonn %O A031913 1,1 %A A031913 _Jeff Burch_