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 A177007 #1 Jun 01 2010 03:00:00
%S A177007 3,5,13,631,5242880000000000000000021
%N A177007 Primes of the form n^(n-1)+n+1.
%C A177007 Next such prime if it exists has more than 22222 digits.
%e A177007 For the prime p=5242880000000000000000021 we have p=20^19+21, so p
%e A177007 is in the sequence. p is the only known prime of the form (q+1)^q+q+2
%e A177007 where q is an odd prime.
%t A177007 Do[If[PrimeQ[n^(n-1)+n+1], Print[n^(n-1)+n+1]], {n,5894}]
%Y A177007 Cf. A177008, A177009, A177010, A177011
%K A177007 hard,more,nonn
%O A177007 1,1
%A A177007 Farzad Kamanger (mymtain(AT)yahoo.com), May 11 2010