291080

Appears in sequences

• Number of nX3 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor.at n=3A220940
• Number of n X 4 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor.at n=2A220941
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor.at n=17A220943
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor.at n=18A220943