Number of nX3 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
A231646
Number of nX3 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
Terms
- a(0) =9a(1) =104a(2) =920a(3) =7682a(4) =61574a(5) =490760a(6) =3929027a(7) =31501117a(8) =252454167a(9) =2022844426a(10) =16209670759a(11) =129896538285
External references
- oeis: A231646