1/16 the number of (n+1) X 6 0..7 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.
A183734
1/16 the number of (n+1) X 6 0..7 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.
Terms
- a(0) =135578a(1) =19849923a(2) =2610816897a(3) =470757143497
External references
- oeis: A183734