Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222688
Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =8a(1) =237a(2) =7248a(3) =288829a(4) =12765040a(5) =589802909a(6) =27752564898
External references
- oeis: A222688