Number of (n+1)X(2+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
A237070
Number of (n+1)X(2+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
Terms
- a(0) =2132a(1) =51000a(2) =1046822a(3) =23830240a(4) =540277188a(5) =12551185804a(6) =294492604648
External references
- oeis: A237070