Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
A235568
Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.
Terms
- a(0) =144a(1) =1120a(2) =8046a(3) =53728a(4) =336836a(5) =2000524a(6) =11372978a(7) =62383454a(8) =332455972a(9) =1730326282a(10) =8833514496a(11) =44382185226a(12) =220072436430
External references
- oeis: A235568