238204domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(960).at n=7A042859Chebyshev polynomial of the second kind U(3,n).at n=31A144138a(n) = U_{2*n-1}(n)/(2*n) where U_{n}(x) is a Chebyshev polynomial of the second kind.at n=3A323181