Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.
A233946
Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.
Terms
- a(0) =29970a(1) =1679760a(2) =95457842a(3) =5575336614a(4) =327319305140
External references
- oeis: A233946