Numerator of (1 + Gamma(n))/n.

Terms

a(0) =2a(1) =1a(2) =1a(3) =7a(4) =5a(5) =121a(6) =103a(7) =5041a(8) =40321a(9) =362881a(10) =329891a(11) =39916801a(12) =36846277a(13) =6227020801a(14) =87178291201