Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
A269141
Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
Terms
- a(0) =2592a(1) =408596a(2) =54199284a(3) =6766301156a(4) =815458664276
External references
- oeis: A269141