G.f. A(x) satisfies 0 = A(0) and 0 = f(x, A(x)) where f(u, v) = (u - v) * (1 + u*v) - u*v * (1 - u*v).

A245735

G.f. A(x) satisfies 0 = A(0) and 0 = f(x, A(x)) where f(u, v) = (u - v) * (1 + u*v) - u*v * (1 - u*v).

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =1a(4) =1a(5) =-5a(6) =9a(7) =-3a(8) =-29a(9) =89a(10) =-107a(11) =-121a(12) =833a(13) =-1703a(14) =631a(15) =6705a(16) =-21943a(17) =27587a(18) =34937a(19) =-242427a(20) =507739a(21) =-172615a(22) =-2201619a(23) =7253775a(24) =-9083263a(25) =-12931023a(26) =86757487a(27) =-181330015a(28) =52436881a(29) =843605643

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