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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 8 |
| 8 | 12 |
| 9 | 16 |
| 10 | 33 |
| 11 | 62 |
| 12 | 67 |
| 13 | 186 |
| 14 | 316 |
| 15 | 280 |
| 16 | 1040 |
| 17 | 1963 |
| 18 | 1702 |
| 19 | 6830 |
| 20 | 10751 |
| 21 | 8679 |
| 22 | 45838 |
| 23 | 88255 |
| 24 | 56292 |
| 25 | 264838 |
| 26 | 624778 |
| 27 | 348817 |
| 28 | 2208496 |
| 29 | 4526585 |
[1,1,1,2,3,4,8,12,16,33,62,67,186,316,280,1040, 1963,1702,6830,10751,8679,45838,88255,56292, 264838,624778,348817,2208496,4526585] |