Number of (n+1)X(1+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
A237069
Number of (n+1)X(1+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
Terms
- a(0) =256a(1) =2132a(2) =15882a(3) =128988a(4) =1042300a(5) =8613338a(6) =71747464a(7) =604396964a(8) =5132149170a(9) =43910139636a(10) =378007127116
External references
- oeis: A237069