198539736

Appears in sequences

• Number of (n+1)X4 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=3A205022
• Number of (n+1)X5 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=2A205023
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=17A205027
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=18A205027