Number of 7Xn binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A269017
Number of 7Xn binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =1183a(2) =22654a(3) =566656a(4) =10002542a(5) =192100836a(6) =3258530608a(7) =56916559941a(8) =940858829922
External references
- oeis: A269017