906108domain: NAppears in sequencesBond series for first parallel moment of hexagonal net.at n=29A120542Triangle read by rows, 1 <= m <= n: t(n,m) = lcm(s(n,m), S(n,m)), where s(n,m) is an unsigned Stirling number of the first kind and S(n,m) is a Stirling number of the second kind.at n=30A128264