[ exp(1/10)*n! ].

Terms

a(0) =1a(1) =2a(2) =6a(3) =26a(4) =132a(5) =795a(6) =5570a(7) =44560a(8) =401044a(9) =4010444a(10) =44114886a(11) =529378638a(12) =6881922294a(13) =96346912121