Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
A234654
Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
Terms
- a(0) =15008a(1) =37352a(2) =94432a(3) =274520a(4) =808160a(5) =2646344a(6) =8731840a(7) =31384136a(8) =113059808a(9) =437774312a(10) =1689860992a(11) =6944469320a(12) =28298174240a(13) =121873410344a(14) =517811131840
External references
- oeis: A234654