545471324161domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(255).at n=15A041478128*n^8 - 256*n^6 + 160*n^4 - 32*n^2 + 1.at n=16A243134Chebyshev T-polynomials T_n(16).at n=8A322888a(n) = T(n, 2*n), where T(n, x) is the Chebyshev polynomial of the first kind.at n=8A349071