77700000domain: NAppears in sequencesNumbers n such that LS(n) divides n, where LS is the "Look and Say" function (A045918).at n=15A152957Triangle T(n,k) read by rows: T(n,k) is the number of rooted hypertrees on n labeled vertices with k hyperedges, n >= 2, k >= 1.at n=39A210586