2113177

Appears in sequences

• Number of nX3 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=4A207010
• Number of nX5 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=2A207012
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=23A207015
• T(n,k)=Number of nXk 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.at n=25A207015