271170
domain: N
Appears in sequences
- Square array of lambda(k,n), where lambda is defined in A055203. Number of ways of placing n identifiable positive intervals with a total of exactly k starting and/or finishing points.at n=71A059117
- Triangle T(n,k) of number of loopless multigraphs with n labeled edges and k labeled vertices and without isolated vertices, n >= 1; 2 <= k <= 2*n.at n=20A122193
- Triangle: Newton expansion of C(n,m)^5, read by rows.at n=23A262706