312522517

Properties

Appears in sequences

• Number of nX3 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.at n=6A207223
• Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.at n=2A207227
• Prime numbersat n=16893420