Number of n X 4 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A280669
Number of n X 4 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =11a(1) =338a(2) =10205a(3) =310365a(4) =9439606a(5) =287101721a(6) =8732086113a(7) =265582964074
External references
- oeis: A280669