4574130domain: NAppears in sequencesSquarefree numbers which are products of three consecutive numbers. I.e., squarefree numbers of the form k^3 - k.at n=22A084694Coefficients of polynomials related to ordered set partitions. Triangle read by rows, T_{m}(n, k) for m = 2 and 0 <= k <= n.at n=24A326477