30487865

domain: N

Appears in sequences

Number of (n+1)X5 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A204612
Number of (n+1)X7 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=3A204614