110346domain: NAppears in sequencesNumber of 9-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=11A187514a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} sigma( ( n/gcd(x_1, x_2, x_3, n) )^3 ).at n=5A373133