E.g.f. A(x) satisfies A(x) = log( 1 + x * cos(2*A(x)) ).

A380555

E.g.f. A(x) satisfies A(x) = log( 1 + x * cos(2*A(x)) ).

Terms

    a(0) =1a(1) =-1a(2) =-10a(3) =90a(4) =364a(5) =-17760a(6) =85280a(7) =5447120a(8) =-116082720a(9) =-1709304480a(10) =123520217600a(11) =-637137072000

External references