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 A191458 #23 Sep 14 2015 14:28:24 %S A191458 17,41,1761702947,8776320587,10102729577,11085833111,177558051107, %T A191458 273373448057,473787509537,557149355507,715464238661,1359854730821, %U A191458 2131528031441,2170341748697,2236159108277,2308235320997,2751203698151,3247566894821,3288002848511,3424305123047 %N A191458 Primes p such that the polynomial x^2+x+p generates only primes for x=1..11. %C A191458 Subsequence of A191457. %C A191458 The sequence is infinite under Dickson's conjecture. - _Charles R Greathouse IV_, Oct 11 2011 %H A191458 Charles R Greathouse IV and Zak Seidov, <a href="/A191458/b191458.txt">Table of n, a(n) for n = 1..79</a> %o A191458 (PARI) is(n)=for(x=0,11, if(!isprime(x^2+x+n), return(0))); 1 \\ _Charles R Greathouse IV_, Sep 14 2015 %Y A191458 Cf. A187060, A190800, A191456, A191457. %K A191458 nonn %O A191458 1,1 %A A191458 _Zak Seidov_, Jun 02 2011 %E A191458 a(12)-a(20) from _Charles R Greathouse IV_, Oct 17 2011