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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 7 |
| 7 | 8 |
| 8 | 9 |
| 9 | 10 |
| 10 | 11 |
| 11 | 12 |
| 12 | 13 |
| 13 | 14 |
| 14 | 15 |
| 15 | 20 |
| 16 | 21 |
| 17 | 24 |
| 18 | 28 |
| 19 | 29 |
| 20 | 30 |
| 21 | 31 |
| 22 | 35 |
| 23 | 36 |
| 24 | 38 |
| 25 | 39 |
| 26 | 56 |
| 27 | 60 |
| 28 | 61 |
| 29 | 62 |
| 30 | 63 |
| 31 | 84 |
| 32 | 110 |
| 33 | 111 |
| 34 | 156 |
| 35 | 159 |
| 36 | 231 |
| 37 | 399 |
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,20,21,24,28, 29,30,31,35,36,38,39,56,60,61,62,63,84,110,111, 156,159,231,399] |