E.g.f. A(x) satisfies A(x) = 1 - (1/x) * log(1 - x^2*A(x)).
A392929
E.g.f. A(x) satisfies A(x) = 1 - (1/x) * log(1 - x^2*A(x)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =60a(5) =520a(6) =5640a(7) =73500a(8) =1118880a(9) =19501776a(10) =383110560a(11) =8377205760a(12) =201831315840
External references
- oeis: A392929