28128619951domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(601).at n=25A042153The y member of the positive proper fundamental solution (x = x1(n), y = y1(n)) of the first class for the Pell equation x^2 - D(n)*y^2 = +8 for odd D(n) = A263012(n).at n=26A264350