G.f.: A(x) satisfies: A( 6*x - 5*A(x) ) = x - 16*x^2.

A292814

G.f.: A(x) satisfies: A( 6*x - 5*A(x) ) = x - 16*x^2.

Terms

    a(0) =1a(1) =4a(2) =-40a(3) =1400a(4) =-68000a(5) =4350000a(6) =-335400000a(7) =30085500000

External references