Number of (n+1)X(2+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock equal.
A237533
Number of (n+1)X(2+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =1692a(1) =23680a(2) =330210a(3) =4857060a(4) =70923320a(5) =1050283590a(6) =15572216080a(7) =232373548624
External references
- oeis: A237533