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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 13 |
| 6 | 14 |
| 7 | 16 |
| 8 | 17 |
| 9 | 19 |
| 10 | 30 |
| 11 | 31 |
| 12 | 60 |
| 13 | 68 |
| 14 | 73 |
| 15 | 113 |
| 16 | 144 |
| 17 | 276 |
| 18 | 288 |
| 19 | 364 |
| 20 | 449 |
| 21 | 473 |
| 22 | 739 |
| 23 | 833 |
| 24 | 1171 |
| 25 | 1732 |
| 26 | 2292 |
| 27 | 3912 |
| 28 | 7673 |
| 29 | 9458 |
| 30 | 16982 |
| 31 | 19751 |
| 32 | 21479 |
| 33 | 23837 |
| 34 | 77726 |
[1,2,4,6,13,14,16,17,19,30,31,60,68,73,113,144, 276,288,364,449,473,739,833,1171,1732,2292,3912, 7673,9458,16982,19751,21479,23837,77726] |