Number of nX4 binary arrays with every 1 immediately preceded by 0 0 to the left or above.
A203104
Number of nX4 binary arrays with every 1 immediately preceded by 0 0 to the left or above.
Terms
- a(0) =3a(1) =9a(2) =90a(3) =592a(4) =3229a(5) =20459a(6) =130886a(7) =801559a(8) =4955105a(9) =30919381a(10) =191933875a(11) =1190109819a(12) =7392312537a(13) =45908705868a(14) =284985020610
External references
- oeis: A203104