Number of (n+2) X 3 binary arrays with each 3 X 3 subblock singular.
A186044
Number of (n+2) X 3 binary arrays with each 3 X 3 subblock singular.
Terms
- a(0) =338a(1) =2038a(2) =12278a(3) =72802a(4) =434174a(5) =2588842a(6) =15426974a(7) =91951882a(8) =548068238a(9) =3266618650a(10) =19470028382a(11) =116047125514a(12) =691674559982
External references
- oeis: A186044