289580domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(157).at n=13A041288Row sums of the Riordan matrix (1/sqrt(1-4*x), x/(1-x)) (A187888).at n=10A188622Incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 3, where D is a prime number.at n=4A336795