218637

Appears in sequences

• Number of nX3 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=3A206952
• Number of nX4 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=2A206953
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=17A206957
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=18A206957