Number of (n+1)X3 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.
A206321
Number of (n+1)X3 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.
Terms
- a(0) =1344a(1) =16892a(2) =282996a(3) =4796092a(4) =81302880a(5) =1377662868a(6) =23340152044a(7) =395403752128
External references
- oeis: A206321