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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 17 |
| 7 | 47 |
| 8 | 61 |
| 9 | 69 |
| 10 | 137 |
| 11 | 323 |
| 12 | 385 |
| 13 | 674 |
| 14 | 731 |
| 15 | 884 |
| 16 | 1245 |
| 17 | 1253 |
| 18 | 17204 |
| 19 | 35580 |
| 20 | 37282 |
| 21 | 73270 |
| 22 | 74919 |
| 23 | 78625 |
| 24 | 98413 |
| 25 | 119017 |
| 26 | 263197 |
| 27 | 313732 |
| 28 | 402321 |
| 29 | 467738 |
| 30 | 661300 |
| 31 | 4757138 |
| 32 | 8445220 |
| 33 | 9481937 |
[1,2,3,6,9,17,47,61,69,137,323,385,674,731,884, 1245,1253,17204,35580,37282,73270,74919,78625, 98413,119017,263197,313732,402321,467738,661300, 4757138,8445220,9481937] |