Number of n X 3 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.
A208196
Number of n X 3 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.
Terms
- a(0) =5a(1) =178a(2) =10366a(3) =639701a(4) =39725054a(5) =2468504665a(6) =153402542384
External references
- oeis: A208196