Number of (n+1)X(n+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235758
Number of (n+1)X(n+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =16a(1) =216a(2) =6882a(3) =375746a(4) =44717902a(5) =10315124920
External references
- oeis: A235758