E.g.f. A(x) satisfies: A(x/(1-x))/(1-x) = (1/x) * d/dx x^2*A(x)/2.
A209884
E.g.f. A(x) satisfies: A(x/(1-x))/(1-x) = (1/x) * d/dx x^2*A(x)/2.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =88a(4) =1172a(5) =21688a(6) =527576a(7) =16224640a(8) =612742784a(9) =27786137856
External references
- oeis: A209884