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 A176617 #17 Sep 08 2022 08:45:52 %S A176617 13,53,673,881,1117,1381,1993,2341,3121,4013,6133,6733,8017,9413, %T A176617 11717,12541,25801,27017,36313,43793,51973,53693,55441,59021,64601, %U A176617 80713,85021,96281,100981,123517,128833,139801,160073,169181,175393,181717 %N A176617 Primes of the form 14*k^2 + 26*k + 13. %C A176617 All terms are congruent to 1 (mod 4). %t A176617 Select[Table[14n^2+26n+13, {n,0,200}], PrimeQ] (* _Harvey P. Dale_, Jan 04 2011 *) %o A176617 (Magma) [ a: n in [0..250] | IsPrime(a) where a is 14*n^2+26*n+13 ] // _Vincenzo Librandi_, Apr 25 2010 %Y A176617 Cf. A176608, A176616. %K A176617 easy,nonn %O A176617 1,1 %A A176617 _Giovanni Teofilatto_, Apr 22 2010 %E A176617 Definition made more precise by _R. J. Mathar_, May 04 2010 %E A176617 Corrected (inserted 13) and extended by _Vincenzo Librandi_, Apr 25 2010