Twice Chebyshev polynomials of the first kind, T(n,x), evaluated at x=51/2.

A099368

Twice Chebyshev polynomials of the first kind, T(n,x), evaluated at x=51/2.

Terms

    a(0) =2a(1) =51a(2) =2599a(3) =132498a(4) =6754799a(5) =344362251a(6) =17555720002a(7) =894997357851

External references