127125624domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(23).at n=19A041036Numerators of continued fraction convergents to sqrt(575).at n=9A042102x such that x^2 - 23*y^2 = 1.at n=5A114051a(n) = 16*n^5 - 20*n^3 + 5*n.at n=24A243131