Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.
A237060
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =255a(2) =826a(3) =2823a(4) =9815a(5) =34996a(6) =125469a(7) =457125a(8) =1664894a(9) =6142099a(10) =22586567a(11) =84018940a(12) =311018349a(13) =1163797285a(14) =4328792462a(15) =16268051859a(16) =60722854295a(17) =228929149516a(18) =856718666317
External references
- oeis: A237060