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 A181745 #9 Mar 28 2013 09:30:21 %S A181745 23,719,479001599,265252859812191058636308479999999 %N A181745 Prime numbers that are factorial differences p! -q! where p+1 and q+1 are both prime numbers. %e A181745 a(3)=479001599 because 479001599 is prime and equals 479001600-1 = A000142(12) - A000142(1) where 13 and 2 are prime numbers. %Y A181745 Cf. A000142, A055490. %K A181745 nonn %O A181745 1,1 %A A181745 _Juri-Stepan Gerasimov_, Nov 08 2010 %E A181745 Corrected a(3) (was missing its last digit), _Christian N. K. Anderson_, Mar 22 2013