Number of (n+1) X (2+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).
A234684
Number of (n+1) X (2+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) =1148a(1) =4416a(2) =16580a(3) =69336a(4) =281612a(5) =1253088a(6) =5385236a(7) =25119456a(8) =112545548a(9) =544181136a(10) =2514628340a(11) =12495760896a(12) =59077785452a(13) =299739293328
External references
- oeis: A234684