15164049

Appears in sequences

• Number of (n+1)X6 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=6A204036
• Number of (n+1)X8 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204038