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 A191457 #17 Jan 06 2015 04:59:39 %S A191457 17,41,180078317,1278189947,1761702947,1829187287,5862143447, %T A191457 6369321857,7226006861,8776320587,10102729577,11085833111,12412643261, %U A191457 50626299797,53039299211,72355485857,74621287901,76233413141,81948881447,115826556611,129077263697 %N A191457 Primes p such that the polynomial x^2+x+p generates only primes for x=1..10. %C A191457 Dickson's conjecture implies that this sequence is infinite. [_Charles R Greathouse IV_, Jun 03 2011] %H A191457 Zak Seidov, <a href="/A191457/b191457.txt">Table of n, a(n) for n = 1..464</a> %o A191457 (PARI) isokp(p) = {for (n=1, 10, if (! isprime(subst(x^2+x+p, x, n)), return (0));); 1;} %o A191457 lista(nn) = {forprime (p=1, nn, if (isokp(p), print1(p, ", ")); ); } \\ _Michel Marcus_, Jan 05 2015 %Y A191457 Subsequence of A191456. Cf. A187060, A190800. %K A191457 nonn %O A191457 1,1 %A A191457 _Zak Seidov_, Jun 02 2011