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 A168669 #9 May 01 2013 21:09:57 %S A168669 0,2,22,50,60,102,172,190,260,282,520,632,830,1012,1380,1430,1612, %T A168669 1920,2130,2192,2720,2790,3042,3382,3460,3740,4202,4922,5352,5450, %U A168669 5800,5902,6372,8310,8992,9570,10032,10642,11412,12062,12580,12730,13262,13962 %N A168669 Numbers n such that sqrt(36*n+49) is prime. %H A168669 Vincenzo Librandi, <a href="/A168669/b168669.txt">Table of n, a(n) for n = 1..1000</a> %e A168669 For n=0, p=7; n=2, p=11; n=22, p=29 %t A168669 Select[Range[0, 15000], PrimeQ[Sqrt[36 # + 49]]&] (* _Vincenzo Librandi_, Apr 05 2013 *) %K A168669 nonn,easy %O A168669 1,2 %A A168669 _Vincenzo Librandi_, Dec 02 2009 %E A168669 Definition clarified by _N. J. A. Sloane_, Jun 18 2010.