E.g.f. A(x) satisfies A(x) = exp(x^2 * A(x) / (1-x)^3).
A389844
E.g.f. A(x) satisfies A(x) = exp(x^2 * A(x) / (1-x)^3).
Terms
- a(0) =1a(1) =0a(2) =2a(3) =18a(4) =180a(5) =2280a(6) =35400a(7) =650160a(8) =13797840a(9) =332579520a(10) =8981461440a(11) =268753161600
External references
- oeis: A389844