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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 13 |
| 4 | 7 |
| 5 | 76 |
| 6 | 39 |
| 7 | 421 |
| 8 | 217 |
| 9 | 2353 |
| 10 | 1216 |
| 11 | 13201 |
| 12 | 6825 |
| 13 | 74101 |
| 14 | 38311 |
| 15 | 415948 |
| 16 | 215047 |
| 17 | 2334781 |
| 18 | 1207089 |
| 19 | 13105441 |
| 20 | 6775552 |
| 21 | 73562593 |
| 22 | 38032081 |
| 23 | 412916701 |
| 24 | 213479175 |
| 25 | 2317756876 |
| 26 | 1198287271 |
| 27 | 13009880533 |
| 28 | 6726147337 |
| 29 | 73026206161 |
[1,1,1,13,7,76,39,421,217,2353,1216,13201,6825, 74101,38311,415948,215047,2334781,1207089, 13105441,6775552,73562593,38032081,412916701, 213479175,2317756876,1198287271,13009880533, 6726147337,73026206161] |