-7386

Appears in sequences

• E.g.f. G(x,y) = Integral C(x,y)*S(y,x) dx such that C(x,y)^2 + S(x,y)^2 = 1 and S(y,x) = Integral C(x,y)*C(y,x) dy, as a triangle of coefficients T(n,k) read by rows.at n=19A367382