E.g.f. satisfies A(x) = (1+x)^(A(x)^(x^2)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =0a(4) =24a(5) =0a(6) =-60a(7) =7980a(8) =-12992a(9) =-23184a(10) =10320480a(11) =-54616320a(12) =160009344a(13) =33740939232a(14) =-391545030240