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 A097436 #4 Mar 31 2012 10:29:22 %S A097436 23,29,53,149,233,263,569,743,2909,4253,5639,5783,6983,7529,7673,7919, %T A097436 10133,10313,11243,13469,13679,14723,14939,15269,15383,19373,19709, %U A097436 19919,21569,26693,32603,33569,39089,39839,41213,42179,42443,43943 %N A097436 Value of C in y = x^2+7x+C such that y is prime for all x = 0 to 4. %e A097436 a(3) = 53: y = x^2+7x+53. %e A097436 If x = 0; y = 0+0+53 = 53, which is prime. %e A097436 If x = 1; y = 1+7+53 = 61, which is prime. %e A097436 If x = 2; y = 4+14+53 = 71, which is prime. %e A097436 If x = 3; y = 9+21+53 = 83, which is prime. %e A097436 If x = 4; y = 16+28+53 = 97, which is prime. %K A097436 nonn %O A097436 1,1 %A A097436 _Ray G. Opao_, Aug 22 2004