Number of n X 3 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
A283721
Number of n X 3 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
Terms
- a(0) =0a(1) =10a(2) =159a(3) =1304a(4) =9819a(5) =69972a(6) =478164a(7) =3182364a(8) =20764075a(9) =133429620a(10) =847160264a(11) =5326384974a(12) =33218865533a(13) =205768886352
External references
- oeis: A283721