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 A111250 #14 Sep 08 2022 08:45:21 %S A111250 1,3,7,9,13,21,27,31,33,37,39,43,49,51,57,67,73,79,81,87,91,93,109, %T A111250 111,117,121,133,139,141,147,157,159,163,169,177,181,183,187,193,207, %U A111250 211,219,223,229,231,237,241,249,259,267,271,277,297,303,319,333,339,343 %N A111250 Numbers n such that 7*n + 10 is prime. %C A111250 One less than the entry of A089033 at the same index. %H A111250 Harvey P. Dale, <a href="/A111250/b111250.txt">Table of n, a(n) for n = 1..1000</a> %e A111250 If n=117 then 7*n + 10 = 829 (prime). %t A111250 Select[Range[400],PrimeQ[7#+10]&] (* _Harvey P. Dale_, Mar 25 2021 *) %o A111250 (PARI) for(n=1,453,if(isprime(7*n + 10),print1(n,","))) %o A111250 (Magma) [ n: n in [0..1500] | IsPrime(7*n + 10) ] // _Vincenzo Librandi_, Jan 31 2011 %Y A111250 Cf. A105772, A024902, A024900. %K A111250 nonn %O A111250 1,2 %A A111250 _Parthasarathy Nambi_, Oct 31 2005 %E A111250 Extended by Lambert Klasen (lambert.klasen(AT)gmx.net), Nov 02 2005