216952

Appears in sequences

• Row 7 of square array defined in A047662.at n=9A047664
• Number of n X n 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column.at n=2A207284
• Number of nX3 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column.at n=2A207285
• T(n,k)=Number of nXk 0..3 arrays avoiding the pattern z-2 z-1 z in any row or column.at n=12A207290