Number of nX3 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198977
Number of nX3 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =2a(1) =34a(2) =1835a(3) =146286a(4) =12662226a(5) =1112962873a(6) =98102456246
External references
- oeis: A198977