A031998 Duplicate of A023759.

1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 18, 21, 22, 24, 25, 26, 27, 36, 39, 40, 54, 63, 66, 67, 72, 75, 76, 78, 79, 80, 81, 108, 117, 120, 121, 162, 189, 198, 201, 202, 216, 225, 228, 229, 234, 237, 238, 240, 241, 242, 243, 324, 351, 360, 363

Offset: 1

Author

Keywords

• dead

Crossrefs

Cf. A023759.