Number of (n+1) X (5+1) 0..5 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).
A235023
Number of (n+1) X (5+1) 0..5 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) =17728a(1) =56276a(2) =177520a(3) =569352a(4) =1830768a(5) =5939792a(6) =19332816a(7) =63383104a(8) =208419288a(9) =689828084a(10) =2289281840a(11) =7643260184a(12) =25579743440a(13) =86090061008a(14) =290367977352a(15) =984513862212
External references
- oeis: A235023