a(n) = L(5*n)/L(n) where L(n) = Lucas number A000204(n).
A153173
a(n) = L(5*n)/L(n) where L(n) = Lucas number A000204(n).
Terms
- a(0) =11a(1) =41a(2) =341a(3) =2161a(4) =15251a(5) =103361a(6) =711491a(7) =4868641a(8) =33391061a(9) =228811001a(10) =1568437211a(11) =10749853441a(12) =73681573691a(13) =505018447961
External references
- oeis: A153173