Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
A283571
Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.
Terms
- a(0) =26a(1) =2832a(2) =104464a(3) =3890056a(4) =129527524a(5) =4173039716a(6) =129997769458
External references
- oeis: A283571