Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.
A237688
Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =256a(1) =1120a(2) =5038a(3) =23838a(4) =115028a(5) =567446a(6) =2840760a(7) =14437142a(8) =74266834a(9) =386657722a(10) =2033497964a(11) =10798721926a(12) =57813989720a(13) =311880302990
External references
- oeis: A237688