Number of (n+1)X(2+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A238040
Number of (n+1)X(2+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =340a(1) =1944a(2) =10812a(3) =61668a(4) =352180a(5) =1999804a(6) =11359816a(7) =64650988a(8) =367695852a(9) =2090439976a(10) =11887700660a(11) =67607537176a(12) =384454848916
External references
- oeis: A238040