Half the number of n X 3 binary arrays with no 1 having an adjacent 1 both above and to its left.
A184755
Half the number of n X 3 binary arrays with no 1 having an adjacent 1 both above and to its left.
Terms
- a(0) =4a(1) =25a(2) =163a(3) =1056a(4) =6847a(5) =44391a(6) =287802a(7) =1865917a(8) =12097367a(9) =78431296a(10) =508496451a(11) =3296753387a(12) =21373960178a(13) =138574567177a(14) =898425491035
External references
- oeis: A184755