Number of (n+1) X 2 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.
A206014
Number of (n+1) X 2 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.
Terms
- a(0) =104a(1) =680a(2) =4440a(3) =29000a(4) =189400a(5) =1237000a(6) =8079000a(7) =52765000a(8) =344615000a(9) =2250725000a(10) =14699775000a(11) =96006125000a(12) =627028375000
External references
- oeis: A206014