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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 77 |
| 3 | 77 |
| 4 | 443 |
| 5 | 833 |
| 6 | 443 |
| 7 | 2705 |
| 8 | 10275 |
| 9 | 10275 |
| 10 | 2705 |
| 11 | 16955 |
| 12 | 140423 |
| 13 | 302148 |
| 14 | 140423 |
| 15 | 16955 |
| 16 | 108173 |
| 17 | 2052727 |
| 18 | 10308161 |
| 19 | 10308161 |
| 20 | 2052727 |
| 21 | 108173 |
| 22 | 698747 |
| 23 | 31378965 |
| 24 | 375775257 |
| 25 | 869874577 |
| 26 | 375775257 |
| 27 | 31378965 |
| 28 | 698747 |
| 29 | 4558985 |
| 30 | 493169259 |
[15,77,77,443,833,443,2705,10275,10275,2705,16955, 140423,302148,140423,16955,108173,2052727, 10308161,10308161,2052727,108173,698747,31378965, 375775257,869874577,375775257,31378965,698747, 4558985,493169259] |