G.f. A(x) satisfies A(x) = 1 + x / ((1+x)^3*A(x)^2).
A366499
G.f. A(x) satisfies A(x) = 1 + x / ((1+x)^3*A(x)^2).
Terms
- a(0) =1a(1) =1a(2) =-5a(3) =25a(4) =-145a(5) =945a(6) =-6641a(7) =49057a(8) =-375361a(9) =2948353a(10) =-23634049a(11) =192554753a(12) =-1589812225a(13) =13272519937a(14) =-111850866433a(15) =950220134913
External references
- oeis: A366499