19981925977domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(232).at n=14A041433Denominators of continued fraction convergents to sqrt(522).at n=24A041999Denominators of continued fraction convergents to sqrt(928).at n=18A042795y-values in the solution to the Pell equation x^2 - 58*y^2 = -1.at n=2A228538