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 A064769 #23 Dec 15 2017 17:35:42 %S A064769 1,2,3,5,9,17,65,222,1720,2975,3494,10489,17948 %N A064769 Numbers n such that (n!)^2 + prime(n) is prime. %C A064769 Term <= 1720 certified prime with Primo. %C A064769 Next term, if it exists, is greater than 2700. - _Ryan Propper_, Nov 05 2005 %C A064769 a(10)-a(13) are probable primes. %C A064769 a(14) > 20000. - _Robert Price_, Aug 29 2014 %e A064769 (5!)^2 + prime(5) = 120^2 + 11 = 14400 + 11 = 14411 is prime, so 5 is a term. %o A064769 (PARI) for(n=1,300, if(isprime((n!)^2+prime(n)),print1(n, ", "))) %Y A064769 Cf. A046029, A072599 (n such that (n!)^2 - prime(n) is prime). %K A064769 nonn %O A064769 1,2 %A A064769 _Jason Earls_, Oct 18 2001 %E A064769 1720 from _Ryan Propper_, Nov 05 2005 %E A064769 a(10)-a(13) from _Robert Price_, Aug 29 2014