649804846

Appears in sequences

• Number of nX3 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.at n=4A206895
• Number of nX5 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.at n=2A206897
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.at n=23A206900
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.at n=25A206900