Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A234680
Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =164416a(1) =243164a(2) =354856a(3) =639440a(4) =1109272a(5) =2354408a(6) =4736536a(7) =11294552a(8) =25494136a(9) =66161144a(10) =162985816a(11) =451913720a(12) =1189756792a(13) =3483132728a(14) =9648855256a(15) =29560946552a(16) =85169950456a(17) =270999391544a(18) =804887071576
External references
- oeis: A234680