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| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 13 |
| 2 | 61 |
| 3 | 109 |
| 4 | 421 |
| 5 | 1621 |
| 6 | 7309 |
| 7 | 8941 |
| 8 | 13381 |
| 9 | 82021 |
| 10 | 365509 |
| 11 | 300301 |
| 12 | 1336141 |
| 13 | 644869 |
| 14 | 8658589 |
| 15 | 3462229 |
| 16 | 6810301 |
| 17 | 16145221 |
| 18 | 165163909 |
| 19 | 43030381 |
| 20 | 163384621 |
| 21 | 249623581 |
| 22 | 2283397141 |
| 23 | 1272463669 |
| 24 | 2055693949 |
[5,13,61,109,421,1621,7309,8941,13381,82021, 365509,300301,1336141,644869,8658589,3462229, 6810301,16145221,165163909,43030381,163384621, 249623581,2283397141,1272463669,2055693949] |