E.g.f. satisfies A(x) = 1 - x^2*A(x)^2*log(1 - x*A(x)).

A371138

E.g.f. satisfies A(x) = 1 - x^2*A(x)^2*log(1 - x*A(x)).

Terms

    a(0) =1a(1) =0a(2) =0a(3) =6a(4) =12a(5) =40a(6) =2340a(7) =18648a(8) =154560a(9) =5767200a(10) =95911200a(11) =1438778880a(12) =48014778240

External references