Cubes with all digits even.

Terms

a(0) =0a(1) =8a(2) =64a(3) =8000a(4) =64000a(5) =8000000a(6) =8242408a(7) =64000000a(8) =6048464248a(9) =6068404224a(10) =6880682808a(11) =8000000000a(12) =8024024008a(13) =8242408000a(14) =64000000000a(15) =82426462208