Number of (n+1) X 2 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
A206047
Number of (n+1) X 2 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
Terms
- a(0) =48a(1) =255a(2) =1338a(3) =7041a(4) =37020a(5) =194691a(6) =1023822a(7) =5384085a(8) =28313712a(9) =148895799a(10) =783011010a(11) =4117687209a(12) =21654034308a(13) =113873925675a(14) =598838568438
External references
- oeis: A206047