Number of 3Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
A297609
Number of 3Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
Terms
- a(0) =8a(1) =35a(2) =181a(3) =787a(4) =3691a(5) =17186a(6) =80140a(7) =371557a(8) =1727168a(9) =8029262a(10) =37322914a(11) =173454722a(12) =806192395a(13) =3747118505a(14) =17416157794a(15) =80947567203a(16) =376233042181
External references
- oeis: A297609