A034686 a(n) = k, where k/(product of digits of k) is least possible integer for k with n digits.
1, 36, 384, 1575, 34992, 139968, 1886976, 78962688, 128894976, 1269789696, 99474697728, 164886478848, 7424647888896, 96979764768768, 189716738899968, 1997998849179648, 19866499767926784, 289288492884688896, 2687986397944479744
Offset: 1