Cubes of Lucas numbers.

Terms

a(0) =8a(1) =1a(2) =27a(3) =64a(4) =343a(5) =1331a(6) =5832a(7) =24389a(8) =103823a(9) =438976a(10) =1860867a(11) =7880599a(12) =33386248a(13) =141420761a(14) =599077107a(15) =2537716544a(16) =10749963743a(17) =45537538411a(18) =192900170952a(19) =817138135549