Number of (n+1)X(2+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237932
Number of (n+1)X(2+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =1718a(1) =19694a(2) =228866a(3) =2744048a(4) =32465580a(5) =383375880a(6) =4542257982a(7) =54067139244a(8) =641031056118
External references
- oeis: A237932