Number of n X 5 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or nw-se.
A228793
Number of n X 5 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or nw-se.
Terms
- a(0) =5a(1) =42a(2) =411a(3) =3957a(4) =37944a(5) =362511a(6) =3459357a(7) =33001836a(8) =314810115a(9) =3002974197a(10) =28645256880a(11) =273245752503
External references
- oeis: A228793