Number of (n+1)X(1+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237569
Number of (n+1)X(1+1) 0..3 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) =256a(1) =1876a(2) =13924a(3) =103264a(4) =769680a(5) =5705156a(6) =42501300a(7) =315065200a(8) =2347267424a(9) =17400203636a(10) =129631996580a(11) =960959725312
External references
- oeis: A237569