Number of nX4 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
A269182
Number of nX4 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
Terms
- a(0) =108a(1) =2736a(2) =80112a(3) =2097552a(4) =52394312a(5) =1265974992a(6) =29881402560a(7) =693021071760
External references
- oeis: A269182