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 A130807 #6 Mar 15 2023 07:56:26 %S A130807 2,3,5,7,11,13,19,23,31,41,59,83,109,127,149,163,167,173,241,271,317, %T A130807 397,401,461,463,577,607,653,683,739,797,857,883,887,941,1093,1327, %U A130807 1601,1949,2281,2383,2593,2647,2753,2953,3067,3089,3469,3533,3709 %N A130807 Prime p > a(n-1) such that p + n! is prime, starting with a(1) = 2. %o A130807 (PARI) lista(nn) = my(va=vector(nn)); va[1] = 2; for (n=2, nn, my(p=nextprime(va[n-1]+1)); while (!ispseudoprime(p+n!), p = nextprime(p+1)); va[n] = p;); va; \\ _Michel Marcus_, Mar 15 2023 %Y A130807 See A105049 for another version. %K A130807 easy,nonn %O A130807 1,1 %A A130807 _Giovanni Teofilatto_, Aug 20 2007 %E A130807 Edited and extended by _T. D. Noe_, Aug 23 2007 %E A130807 Name clarified by _Michel Marcus_, Mar 15 2023