Number of nX3 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
A269181
Number of nX3 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
Terms
- a(0) =24a(1) =384a(2) =5888a(3) =80112a(4) =1031344a(5) =12791896a(6) =154606864a(7) =1833130768a(8) =21416076480a(9) =247279304248
External references
- oeis: A269181