G.f.: A(x) = 1 + x*(1 + x*(1 + x*(...(1 + x*(...)^(-2n+1))...)^-5)^-3)^-1.
A138208
G.f.: A(x) = 1 + x*(1 + x*(1 + x*(...(1 + x*(...)^(-2n+1))...)^-5)^-3)^-1.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =4a(4) =-28a(5) =281a(6) =-3684a(7) =59731a(8) =-1154936a(9) =25950691a(10) =-664613080a(11) =19112126640a(12) =-609797430996
External references
- oeis: A138208