Number of (n+1)X(3+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise.
A235404
Number of (n+1)X(3+1) 0..2 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise.
Terms
- a(0) =2500a(1) =87902a(2) =4133417a(3) =129700247a(4) =4053275322a(5) =93483052039
External references
- oeis: A235404