Number of nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.
A199645
Number of nX6 0..2 arrays with values 0..2 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.
Terms
- a(0) =6a(1) =1384a(2) =134748a(3) =15066222a(4) =1614250077a(5) =176701683386
External references
- oeis: A199645