1/4 the number of (n+1) X (n+1) 0..3 arrays with no 2 X 2 subblock having sum 6.
A183793
1/4 the number of (n+1) X (n+1) 0..3 arrays with no 2 X 2 subblock having sum 6.
Terms
- a(0) =53a(1) =31541a(2) =209636605
External references
- oeis: A183793
A183793
1/4 the number of (n+1) X (n+1) 0..3 arrays with no 2 X 2 subblock having sum 6.