Number of nX3 0..2 arrays with no more than floor(nX3/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222997
Number of nX3 0..2 arrays with no more than floor(nX3/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =2a(1) =45a(2) =534a(3) =13655a(4) =184475a(5) =4816824a(6) =67178532a(7) =1775642951a(8) =25210032184a(9) =671307448829
External references
- oeis: A222997