G.f. A(x) satisfies A(x) = 1/( (1-x)^3 * (1 - x*A(x) - x^2*A'(x)) ).
A386230
G.f. A(x) satisfies A(x) = 1/( (1-x)^3 * (1 - x*A(x) - x^2*A'(x)) ).
Terms
- a(0) =1a(1) =4a(2) =18a(3) =114a(4) =945a(5) =9399a(6) =106645a(7) =1342028a(8) =18409725a(9) =272154510a(10) =4300884555a(11) =72225827628
External references
- oeis: A386230