Number of 6Xn 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
A269057
Number of 6Xn 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.
Terms
- a(0) =729a(1) =8586a(2) =90450a(3) =1350672a(4) =17696520a(5) =242861616a(6) =3193266318a(7) =42102137568a(8) =545920367142
External references
- oeis: A269057