Number of 4Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281607
Number of 4Xn 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =14a(1) =285a(2) =1623a(3) =16198a(4) =167545a(5) =1626073a(6) =15975093a(7) =157271995a(8) =1545421328a(9) =15189232151a(10) =149300998270
External references
- oeis: A281607