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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 33 |
| 12 | 13 |
| 13 | 357 |
| 14 | 57 |
| 15 | 3654 |
| 16 | 277 |
| 17 | 39873 |
| 18 | 2427 |
| 19 | 687008 |
| 20 | 27961 |
| 21 | 15511627 |
| 22 | 440433 |
| 23 | 608333563 |
| 24 | 11044775 |
| 25 | 33683651469 |
| 26 | 365499077 |
[1,1,1,1,1,1,1,1,1,1,33,13,357,57,3654,277,39873, 2427,687008,27961,15511627,440433,608333563, 11044775,33683651469,365499077] |