E.g.f. S(x), where C(x*y) + S(x*y) = exp( Integral Integral C(x*y) dx dy ) such that C(x)^2 - S(x)^2 = 1.

A325292

E.g.f. S(x), where C(x*y) + S(x*y) = exp( Integral Integral C(x*y) dx dy ) such that C(x)^2 - S(x)^2 = 1.

Terms

    a(0) =1a(1) =8a(2) =576a(3) =160768a(4) =123535360a(5) =212713734144

External references