139786868632

domain: N

Appears in sequences

Number of (n+1)X4 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A205022
Number of (n+1)X7 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=2A205025