G.f.: 1 = ...((((exp(x) - a(1)*x )^2 - a(2)*x^2 )^3 - a(3)*x^3 )^4 - a(4)*x^4 )^5 - ..., an infinite series of nested powers.
A274960
G.f.: 1 = ...((((exp(x) - a(1)*x )^2 - a(2)*x^2 )^3 - a(3)*x^3 )^4 - a(4)*x^4 )^5 - ..., an infinite series of nested powers.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =11a(5) =66a(6) =617a(7) =14904a(8) =133191a(9) =2979370a(10) =54952349a(11) =2320492164a(12) =74986745627
External references
- oeis: A274960