Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237505
Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =328a(1) =1724a(2) =9108a(3) =50876a(4) =284368a(5) =1553960a(6) =8478776a(7) =46757986a(8) =257959884a(9) =1416477192a(10) =7776398684a(11) =42785177212a(12) =235416777178
External references
- oeis: A237505