Number of (n+1)X(2+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235780
Number of (n+1)X(2+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
Terms
- a(0) =537a(1) =7331a(2) =86369a(3) =924323a(4) =9324103a(5) =89825051a(6) =837434835a(7) =7600810347a(8) =67576585873a(9) =590517097897
External references
- oeis: A235780