Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A234881
Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =2048a(1) =5684a(2) =10240a(3) =44540a(4) =87312a(5) =518988a(6) =1035792a(7) =7389460a(8) =14782992a(9) =115949340a(10) =231949520a(11) =1905124356a(12) =3810241424a(13) =31990186028a(14) =63971965200a(15) =542748911188
External references
- oeis: A234881