Cubes that become prime when their least-significant (rightmost) digit is removed.

Terms

a(0) =27a(1) =3375a(2) =4096a(3) =4913a(4) =35937a(5) =97336a(6) =110592a(7) =148877a(8) =421875a(9) =681472a(10) =1191016a(11) =1442897a(12) =1560896a(13) =2628072a(14) =3241792a(15) =3581577a(16) =3869893a(17) =4741632a(18) =5359375a(19) =8998912a(20) =10218313a(21) =12649337a(22) =16777216a(23) =16974593a(24) =21253933a(25) =26730899a(26) =31255875a(27) =32157432a(28) =43986977a(29) =45882712