Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal.
A237212
Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =256a(1) =1076a(2) =4770a(3) =22420a(4) =107092a(5) =523218a(6) =2580120a(7) =12870804a(8) =64634026a(9) =326922108a(10) =1661903764a(11) =8491149474a(12) =43548443400a(13) =224187558716
External references
- oeis: A237212