Half the number of (n+1) X 3 binary arrays with no 2 X 2 subblock containing exactly one 1.
A184190
Half the number of (n+1) X 3 binary arrays with no 2 X 2 subblock containing exactly one 1.
Terms
- a(0) =19a(1) =104a(2) =561a(3) =3050a(4) =16581a(5) =90185a(6) =490546a(7) =2668339a(8) =14514611a(9) =78953456a(10) =429474355a(11) =2336164665a(12) =12707780398a(13) =69125130363a(14) =376012453567
External references
- oeis: A184190