Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111.
A259293
Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111.
Terms
- a(0) =170a(1) =1134a(2) =6870a(3) =43870a(4) =273686a(5) =1729342a(6) =10862998a(7) =68457998a(8) =430748742a(9) =2712658334a(10) =17075833814a(11) =107515278574a(12) =676872277478
External references
- oeis: A259293