Numbers whose cube is palindromic in base 8.

Terms

a(0) =0a(1) =1a(2) =3a(3) =9a(4) =65a(5) =73a(6) =513a(7) =4097a(8) =4161a(9) =32769a(10) =262145a(11) =262657a(12) =2097153a(13) =16777217a(14) =16781313a(15) =134217729a(16) =1073741825a(17) =1073774593a(18) =8589934593a(19) =68719476737a(20) =68719738881