E.g.f.: exp(Sum_{k>=1} A014197(k)*x^k).

Terms

a(0) =1a(1) =2a(2) =10a(3) =44a(4) =364a(5) =2552a(6) =28504a(7) =267920a(8) =3762448a(9) =44426528a(10) =733803424a(11) =10281376448a(12) =197599119040