1786400

Appears in sequences

• Triangle read by rows, the Bell transform of n!*binomial(2,n) (without column 0).at n=59A049404
• Generalized Stirling2 array (-1,2)S2. Irregular triangle a(n, m) for n >= 1 and 2 <= m <= 2*n.at n=29A091752
• Fifth column (m=6) of array A091752 ((-1,2)Stirling2).at n=3A091754