938449domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(266).at n=7A041498Number of mobiles (circular rooted trees) on n nodes with thinning limbs.at n=18A124345a(n) = 4802*n^2 - 196*n + 1.at n=13A157364a(n) = 388962*n^2 - 347508*n + 77617.at n=1A157736Centered octachoral numbers.at n=18A365206