Number of nX3 0..2 arrays with exactly floor(nX3/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222914
Number of nX3 0..2 arrays with exactly floor(nX3/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =0a(1) =18a(2) =160a(3) =2952a(4) =17518a(5) =356398a(6) =2118905a(7) =44960137a(8) =272872198a(9) =5911110630a(10) =36457959703a(11) =799084046960
External references
- oeis: A222914