128076

Appears in sequences

• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.at n=23A221655
• Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.at n=4A221657
• Number of compositions of n whose non-adjacent parts are weakly decreasing.at n=35A333148