Number of (n+1) X (7+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).
A235106
Number of (n+1) X (7+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) =1025770a(1) =2047890a(2) =4256548a(3) =9680994a(4) =22754394a(5) =57035088a(6) =147069470a(7) =398750942a(8) =1109052788a(9) =3214407394a(10) =9538239362a(11) =29310492288a(12) =92087563578a(13) =298251455546a(14) =986587292812
External references
- oeis: A235106