a(n) = U_{n}(n) where U_{n}(x) is a Chebyshev polynomial of the second kind.

A323118

a(n) = U_{n}(n) where U_{n}(x) is a Chebyshev polynomial of the second kind.

Terms

    a(0) =1a(1) =2a(2) =15a(3) =204a(4) =3905a(5) =96030a(6) =2883167a(7) =102213944a(8) =4178507265a(9) =193501094490

External references