A031987 Numbers with exactly five distinct base-10 digits.
10234, 10235, 10236, 10237, 10238, 10239, 10243, 10245, 10246, 10247, 10248, 10249, 10253, 10254, 10256, 10257, 10258, 10259, 10263, 10264, 10265, 10267, 10268, 10269, 10273, 10274, 10275, 10276, 10278, 10279
Offset: 1