Least number k such that k concatenated with n is a cube, or 0 if no such k exists.

Terms

a(0) =133a(1) =51a(2) =34a(3) =6a(4) =12a(5) =21a(6) =2a(7) =172a(8) =72a(9) =0a(10) =3579a(11) =5a(12) =49a(13) =0a(14) =0a(15) =2a(16) =3890a(17) =0a(18) =593a(19) =0a(20) =689a(21) =0a(22) =1038a(23) =138a(24) =1a(25) =0a(26) =10927a(27) =17a(28) =7a(29) =0