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

A367380

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

Terms

    a(0) =1a(1) =-1a(2) =-1a(3) =1a(4) =5a(5) =1a(6) =-1a(7) =-33a(8) =-33a(9) =-1a(10) =1a(11) =277a(12) =561a(13) =277a(14) =1a(15) =-1a(16) =-2465a(17) =-10545a(18) =-10545a(19) =-2465a(20) =-1a(21) =1a(22) =22149a(23) =220065a(24) =368213a(25) =220065a(26) =22149a(27) =1a(28) =-1a(29) =-199297

External references