Number of (n+1) X 2 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
A206078
Number of (n+1) X 2 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one.
Terms
- a(0) =124a(1) =960a(2) =7308a(3) =55864a(4) =426596a(5) =3258496a(6) =24887884a(7) =190093096a(8) =1451920276a(9) =11089697360a(10) =84702551132a(11) =646953877560
External references
- oeis: A206078