Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having exactly two distinct clockwise edge differences.
A209533
Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having exactly two distinct clockwise edge differences.
Terms
- a(0) =257a(1) =4097a(2) =65537a(3) =1048577a(4) =16777217a(5) =268435457a(6) =4294967297a(7) =68719476737
External references
- oeis: A209533