Least zeroless number k such that k^3 contains n zeros.

Terms

a(0) =1a(1) =16a(2) =52a(3) =126a(4) =252a(5) =3138a(6) =5852a(7) =58752a(8) =71138a(9) =493352a(10) =1916568a(11) =11696559a(12) =58633193a(13) =191293929a(14) =464296543a(15) =386826983a(16) =5886958939a(17) =46493141317a(18) =115356679131a(19) =79633784516