Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
A283382
Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =19a(2) =532a(3) =8087a(4) =116624a(5) =1592250a(6) =20788531a(7) =264040297a(8) =3282238215a(9) =40118887549a(10) =483764807520
External references
- oeis: A283382