490074558

Appears in sequences

• Number of (n+1)X(3+1) 0..3 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.at n=2A235504
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the sum of each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.at n=12A235506