Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235103
Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =12578a(1) =35354a(2) =101464a(3) =304746a(4) =937034a(5) =2978124a(6) =9680994a(7) =32349918a(8) =110399304a(9) =385970050a(10) =1376013714a(11) =5011652964a(12) =18582312010a(13) =70201181566a(14) =269458590752
External references
- oeis: A235103