3160100domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(44).at n=19A041074Numerators of continued fraction convergents to sqrt(396).at n=9A041752a(n) = 20*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 20.at n=5A090728a(n) = n^5 - 5*n^3 + 5*n.at n=19A230586