Number of (n+1)X(2+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
A235528
Number of (n+1)X(2+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =498a(1) =6954a(2) =102687a(3) =1241251a(4) =14564613a(5) =152335168a(6) =1529460228a(7) =14358083795a(8) =129965217502
External references
- oeis: A235528