Number of nX7 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or nw-se.
A228795
Number of nX7 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or nw-se.
Terms
- a(0) =13a(1) =240a(2) =5223a(3) =111966a(4) =2404290a(5) =51557716a(6) =1104367784a(7) =23641626212a(8) =505993241296
External references
- oeis: A228795