G.f. A(x) satisfies A(x) = ( 1 + 16*x*A(x)/(1 - x*A(x)) )^(1/4).
A372020
G.f. A(x) satisfies A(x) = ( 1 + 16*x*A(x)/(1 - x*A(x)) )^(1/4).
Terms
- a(0) =1a(1) =4a(2) =-4a(3) =4a(4) =156a(5) =-1212a(6) =5628a(7) =196a(8) =-251620a(9) =2500484a(10) =-12608772a(11) =16004a(12) =671151260a(13) =-7039845180a(14) =37258827516a(15) =1585476a(19) =174117124a(23) =20390254020
External references
- oeis: A372020