Number of (n+1) X 3 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
A206048
Number of (n+1) X 3 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
Terms
- a(0) =255a(1) =2310a(2) =20400a(3) =180195a(4) =1590378a(5) =14037225a(6) =123893883a(7) =1093502865a(8) =9651382368a(9) =85184227872a(10) =751845910863
External references
- oeis: A206048