T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
A235078
T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
Terms
- a(0) =288a(1) =1828a(2) =1828a(3) =11976a(4) =12228a(5) =11976a(6) =79848a(7) =86704a(8) =86704a(9) =79848a(10) =534008a(11) =644188a(12) =676192a(13) =644188a(14) =534008a(15) =3577048a(16) =4832976a(17) =5686836a(18) =5686836a(19) =4832976a(20) =3577048a(21) =23966856a(22) =36598068a(23) =48272960a(24) =55735596a(25) =48272960a(26) =36598068a(27) =23966856
External references
- oeis: A235078