Number of (n+1) X (2+1) 0..3 arrays with the sum of each 2 X 2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
A235813
Number of (n+1) X (2+1) 0..3 arrays with the sum of each 2 X 2 subblock two median terms lexicographically nondecreasing rowwise and columnwise.
Terms
- a(0) =2648a(1) =84300a(2) =2904651a(3) =78133908a(4) =2024258650a(5) =45232185179a(6) =960244682353
External references
- oeis: A235813