76619720

Appears in sequences

• Number of (n+1)X7 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=6A204037
• Number of (n+1)X8 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A204038