1/8 the number of (n+1)X(n+1) 0..3 arrays with all 2X2 subblock sums the same.
A184020
1/8 the number of (n+1)X(n+1) 0..3 arrays with all 2X2 subblock sums the same.
Terms
- a(0) =32a(1) =204a(2) =1052a(3) =5802a(4) =29432a(5) =159318a(6) =829724a(7) =4552710
External references
- oeis: A184020