18675445971domain: NAppears in sequencesa(n) = lcm(a(n-1), n^2 + n + 1) for n > 1 with a(1) = 1.at n=9A221132a(n) = lcm(a(n-1), n^2 + n + 1) for n > 1 with a(1) = 1.at n=10A221132