-66436

Appears in sequences

• E.g.f. C(x,y) = 1 - Integral S(x,y)*C(y,x) dx such that C(x,y)^2 + S(x,y)^2 = 1 and S(y,x) = Integral C(y,x)*C(x,y) dy, as a triangle of coefficients T(n,k) read by rows.at n=29A367381