77022

Appears in sequences

• Cluster series for bond percolation problem on diamond.at n=10A003208
• Number of set partitions of set-systems with total sum n.at n=20A330459
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by two tiles that are fixed under these reflections.at n=42A368253