a(n) = T(n,n+2) where T(n,x) is a Chebyshev polynomial of the first kind.

A342206

a(n) = T(n,n+2) where T(n,x) is a Chebyshev polynomial of the first kind.

Terms

    a(0) =1a(1) =3a(2) =31a(3) =485a(4) =10081a(5) =262087a(6) =8193151a(7) =299537289a(8) =12545596801a(9) =592479412811

External references