9803278

Appears in sequences

• Number of n X n 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=3A206951
• Number of nX4 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.at n=3A206953
• 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=24A206957