Number of n X 7 binary arrays with top left value 1 and no two 1's adjacent horizontally or vertically.
A228389
Number of n X 7 binary arrays with top left value 1 and no two 1's adjacent horizontally or vertically.
Terms
- a(0) =13a(1) =169a(2) =3513a(3) =62546a(4) =1177709a(5) =21683149a(6) =402968942a(7) =7458864720a(8) =138305554175
External references
- oeis: A228389