Lucas(6*n): a(n) = 18*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 18.
A087215
Lucas(6*n): a(n) = 18*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 18.
Terms
- a(0) =2a(1) =18a(2) =322a(3) =5778a(4) =103682a(5) =1860498a(6) =33385282a(7) =599074578a(8) =10749957122a(9) =192900153618
External references
- oeis: A087215