46256493domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(7).at n=25A041008Numbers such that floor(a(n)^2 / 7) is a square.at n=21A204516Numerators of the other-side convergents to sqrt(7).at n=24A259597x-values of solutions to the Diophantine equation x^2 - 7*y^2 = 2.at n=6A266698