Coefficients of solution to A(x) = (1 + x*A(x)^2) * (1-3*x) / (1-2*x)^2.
A129086
Coefficients of solution to A(x) = (1 + x*A(x)^2) * (1-3*x) / (1-2*x)^2.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =14a(4) =42a(5) =133a(6) =443a(7) =1552a(8) =5716a(9) =22068a(10) =88830a(11) =370209a(12) =1585841a(13) =6936459a(14) =30813483a(15) =138445492a(16) =627256282a(17) =2859652414a(18) =13099023380a(19) =60225071992a(20) =277729496928
External references
- oeis: A129086