158967751

Appears in sequences

• Number of (n+1)X(n+1) 0..3 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=2A207295
• Number of (n+1)X4 0..3 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=2A207297
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=12A207300