Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
A235530
Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =15782a(1) =1241251a(2) =140614400a(3) =13038576512
External references
- oeis: A235530