114812765781domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(110).at n=13A041198Numerators of continued fraction convergents to sqrt(440).at n=13A04183864*n^7 - 112*n^5 + 56*n^3 - 7*n.at n=21A243133a(n) = T(n, 3*n), where T(n, x) is the Chebyshev polynomial of the first kind.at n=7A349072