888172440
domain: N
Appears in sequences
- Number of (n+1)X3 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A205021
- Number of (n+1)X7 0..3 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=1A205025
- 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=22A205027