Number of nX4 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order.
A241104
Number of nX4 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order.
Terms
- a(0) =4a(1) =36a(2) =294a(3) =2436a(4) =19814a(5) =162776a(6) =1333934a(7) =10937316a(8) =89651534a(9) =734979136a(10) =6025149574a(11) =49393306556a(12) =404916355574
External references
- oeis: A241104