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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 13 |
| 4 | 25 |
| 5 | 61 |
| 6 | 73 |
| 7 | 109 |
| 8 | 137 |
| 9 | 173 |
| 10 | 1561 |
| 11 | 3789 |
| 12 | 4585 |
| 13 | 7373 |
| 14 | 5753 |
| 15 | 53229 |
| 16 | 128585 |
| 17 | 184173 |
| 18 | 90841 |
| 19 | 846221 |
| 20 | 2019049 |
| 21 | 2750669 |
| 22 | 876409 |
| 23 | 11017965 |
| 24 | 554313 |
| 25 | 36651117 |
| 26 | 59655129 |
| 27 | 49773197 |
| 28 | 411459817 |
| 29 | 1052458701 |
| 30 | 1281882489 |
| 31 | 1710730477 |
| 32 | 1889605449 |
| 33 | 16613493357 |
[1,1,1,13,25,61,73,109,137,173,1561,3789,4585, 7373,5753,53229,128585,184173,90841,846221, 2019049,2750669,876409,11017965,554313,36651117, 59655129,49773197,411459817,1052458701,1281882489, 1710730477,1889605449,16613493357] |