A033056 Numbers whose base-5 representation Sum_{i=0..m} d(i)*5^i has odd d(m-i) for all odd i.
1, 2, 3, 4, 6, 8, 11, 13, 16, 18, 21, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 44, 55, 56, 57, 58, 59, 65, 66, 67, 68, 69, 80, 81, 82, 83, 84, 90, 91, 92, 93, 94, 105, 106, 107, 108, 109, 115, 116, 117, 118, 119, 151, 153, 156, 158, 161
Offset: 1
Crossrefs
Disjoint with A032955 if more than 1 digit.
Extensions
NAME corrected. - R. J. Mathar, Jul 23 2025