Number of 3Xn 0..2 arrays with no more than floor(3Xn/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A223002
Number of 3Xn 0..2 arrays with no more than floor(3Xn/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =5a(1) =51a(2) =534a(3) =11114a(4) =125907a(5) =2889947a(6) =34120953a(7) =797183427a(8) =9564934420a(9) =226055677091
External references
- oeis: A223002