A034084 Decimal part of n-th root of a(n) starts with digit 7.

3, 5, 9, 15, 25, 42, 70, 119, 202, 343, 583, 991, 1684, 2863, 4867, 8273, 14064, 23908, 40643, 69092, 117457, 199676, 339449, 577063, 981007, 1667712, 2835110, 4819686, 8193466, 13928892, 23679116, 40254498, 68432646, 116335497