a(n) = value of Chebyshev T-polynomial T_n(20).

A322890

a(n) = value of Chebyshev T-polynomial T_n(20).

Terms

    a(0) =1a(1) =20a(2) =799a(3) =31940a(4) =1276801a(5) =51040100a(6) =2040327199a(7) =81562047860

External references