5500266

Appears in sequences

• Number of (n+1)X4 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=3A205210
• Number of (n+1)X5 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=2A205211
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=17A205215
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=18A205215