Number of (n+1)X(3+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.
A236447
Number of (n+1)X(3+1) 0..3 arrays colored with the difference of the maximum and minimum in each 2X2 subblock.
Terms
- a(0) =17258a(1) =280436a(2) =4535608a(3) =66621676a(4) =1010208094a(5) =15722137048a(6) =247623908622
External references
- oeis: A236447