150642568127domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(69).at n=21A041120Numerators of continued fraction convergents to sqrt(621).at n=15A042192a(n) = 25*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 25.at n=8A090733