Number of nX6 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
A269199
Number of nX6 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.
Terms
- a(0) =2592a(1) =472044a(2) =84310620a(3) =13753913556
External references
- oeis: A269199