Half the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having exactly two distinct clockwise edge differences.
A209531
Half the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having exactly two distinct clockwise edge differences.
Terms
- a(0) =33a(1) =193a(2) =1025a(3) =6145a(4) =32769a(5) =196609a(6) =1048577a(7) =6291457a(8) =33554433a(9) =201326593a(10) =1073741825a(11) =6442450945a(12) =34359738369a(13) =206158430209
External references
- oeis: A209531