Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235209
Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =135520a(1) =319156a(2) =781040a(3) =2154516a(4) =6122960a(5) =19043548a(6) =60655008a(7) =207093844a(8) =721977376a(9) =2659371660a(10) =9986541664a(11) =39209154564a(12) =156677348816a(13) =649143433868
External references
- oeis: A235209