G.f. A(x) satisfies A(x) = 1 + x + x/A(x)^(3/2).

Terms

a(0) =1a(1) =2a(2) =-3a(3) =12a(4) =-58a(5) =312a(6) =-1794a(7) =10794a(8) =-67113a(9) =427800a(10) =-2780677a(11) =18360504a(12) =-122809416a(13) =830379966a(14) =-5666465445a(15) =38974338126a(16) =-269915089194