Chebyshev U(n,x) polynomial evaluated at x=243=2*11^2+1.

A097765

Chebyshev U(n,x) polynomial evaluated at x=243=2*11^2+1.

Terms

    a(0) =1a(1) =486a(2) =236195a(3) =114790284a(4) =55787841829

External references