426938895domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(85).at n=15A041151Denominators of continued fraction convergents to sqrt(340).at n=23A041643Numerators of the continued fraction n+1/(n+1/...) [n times].at n=8A084845Expansion of g.f.: x/(1 - 9*x - x^2).at n=10A099371