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 5 (constant-stress 1 X 1 tilings).
A234686
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 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =27344a(1) =69336a(2) =174320a(3) =531984a(4) =1602224a(5) =5614248a(6) =19258400a(7) =74809368a(8) =282312464a(9) =1187833176a(10) =4822708640a(11) =21611172984a(12) =92875010384a(13) =437216431128
External references
- oeis: A234686