G.f. A(x) satisfies A(x) = 1/( (1-x)^3 * (1 - x*A(x) - 2*x^2*A'(x)) ).
A386264
G.f. A(x) satisfies A(x) = 1/( (1-x)^3 * (1 - x*A(x) - 2*x^2*A'(x)) ).
Terms
- a(0) =1a(1) =4a(2) =22a(3) =190a(4) =2239a(5) =32431a(6) =546832a(7) =10414132a(8) =219845677a(9) =5079617326a(10) =127292440606
External references
- oeis: A386264