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 A139194 #6 Jun 16 2014 08:06:54
%S A139194 0,19,839,6652799,1037836799,59281238015999,20274183401471999,
%T A139194 4308669456480829439999,1473626998956616992423935999999,
%U A139194 1370473109029653802954260479999999
%N A139194 Natural numbers of the form (prime(n)!-6)/6.
%t A139194 Table[(Prime[n]! - 6)/6, {n, 2, 20}]
%Y A139194 Cf. A139189, A139190, A139191, A139192, A139193, A139194, A139195, A139196, A139197, A139198.
%K A139194 nonn
%O A139194 1,2
%A A139194 _Artur Jasinski_, Apr 11 2008