Number of nX6 0..3 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.
A240641
Number of nX6 0..3 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..3 introduced in row major order.
Terms
- a(0) =41a(1) =10072a(2) =2413198a(3) =579476701a(4) =139138607313
External references
- oeis: A240641