403918domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(750).at n=12A042444Number of cubic equations ax^3 + bx^2 + cx + d = 0 with integer coefficients |a|,|b|,|c|,|d| <= n, a <> 0, having one real root and two conjugate complex roots.at n=13A155193