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 A167055 #15 Aug 20 2025 17:28:10 %S A167055 0,1,2,3,4,7,8,9,11,12,14,16,19,21,22,23,24,26,29,32,33,37,38,42,43, %T A167055 46,47,49,51,53,54,56,58,63,64,66,67,68,71,73,77,78,79,81,84,87,88,91, %U A167055 92,98,99,101,102,106,107,108,113,114,117,119,123,124,129,133,134,136,141 %N A167055 Numbers k such that 12*k + 5 is prime. %C A167055 Corresponds to odd numbers in A024898. %H A167055 Vincenzo Librandi, <a href="/A167055/b167055.txt">Table of n, a(n) for n = 1..1000</a> %e A167055 2 is in the sequence since 12*2+5 = 29 is prime. %t A167055 Select[Range[0,150],PrimeQ[12#+5]&] (* _Harvey P. Dale_, Oct 07 2012 *) %o A167055 (PARI) isA167055(n) = isprime(12*n+5) %o A167055 (Magma) [n: n in [1..150] | IsPrime(12*n+5)]; // _Vincenzo Librandi_, May 20 2014 %Y A167055 Cf. A110801, A167056, A167057, A024898, primes are in A040117. %K A167055 easy,nonn %O A167055 1,3 %A A167055 _Michael B. Porter_, Oct 27 2009