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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 8 |
| 8 | 9 |
| 9 | 10 |
| 10 | 12 |
| 11 | 15 |
| 12 | 25 |
| 13 | 29 |
| 14 | 53 |
| 15 | 110 |
| 16 | 177 |
| 17 | 237 |
| 18 | 255 |
| 19 | 2260 |
| 20 | 3214 |
| 21 | 4313 |
| 22 | 4563 |
| 23 | 7595 |
| 24 | 20220 |
| 25 | 35139 |
| 26 | 167134 |
| 27 | 180319 |
| 28 | 186885 |
| 29 | 315850 |
| 30 | 439975 |
| 31 | 559740 |
| 32 | 4393188 |
| 33 | 8414132 |
| 34 | 8434510 |
[1,2,3,4,5,6,8,9,10,12,15,25,29,53,110,177,237, 255,2260,3214,4313,4563,7595,20220,35139,167134, 180319,186885,315850,439975,559740,4393188, 8414132,8434510] |