G.f. A(x) satisfies: A(x)^2 + A(-x)^2 = 2 and A(x)^3 - A(-x)^3 = 36*x.

A196868

G.f. A(x) satisfies: A(x)^2 + A(-x)^2 = 2 and A(x)^3 - A(-x)^3 = 36*x.

Terms

    a(0) =1a(1) =6a(2) =-18a(3) =144a(4) =-1026a(5) =10368a(6) =-91044a(7) =995328a(8) =-9630090a(9) =109486080a(10) =-1120744188a(11) =13042778112a(12) =-138540597588

External references