56456

Appears in sequences

• Increasing gaps in A038593 (upper terms).at n=16A093362
• Triangle read by rows: T(n,k) is the number of k-matchings in the P_3 X P_n lattice graph.at n=43A100245
• Equals one maps: number of n X 2 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 n X 2 array.at n=7A221587
• T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 nXk array.at n=37A221590
• T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 nXk array.at n=43A221590