Number of (n+1) X (5+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
A234487
Number of (n+1) X (5+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
Terms
- a(0) =14402a(1) =51950a(2) =187196a(3) =677138a(4) =2455350a(5) =8928348a(6) =32545706a(7) =118945534a(8) =435728940a(9) =1600124066a(10) =5889188814a(11) =21725555324a(12) =80316758842a(13) =297580824166
External references
- oeis: A234487