Number of (n+1) X (1+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 8 (constant-stress 1 X 1 tilings).
A234731
Number of (n+1) X (1+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 8 (constant-stress 1 X 1 tilings).
Terms
- a(0) =168a(1) =672a(2) =2184a(3) =8736a(4) =29976a(5) =119904a(6) =426120a(7) =1704480a(8) =6197208a(9) =24788832a(10) =91531464a(11) =366125856a(12) =1366929816a(13) =5467719264a(14) =20584483080a(15) =82337932320a(16) =312012926808
External references
- oeis: A234731