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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 15 |
| 2 | 35 |
| 3 | 47 |
| 4 | 81 |
| 5 | 7087 |
| 6 | 7399 |
| 7 | 19865 |
| 8 | 19913 |
| 9 | 24087 |
| 10 | 24279 |
| 11 | 408257 |
| 12 | 409303 |
| 13 | 2042205 |
| 14 | 5262017 |
| 15 | 5262089 |
| 16 | 6189393 |
| 17 | 6435851 |
| 18 | 6435983 |
| 19 | 64318033 |
| 20 | 64323297 |
| 21 | 64346653 |
| 22 | 188012449 |
| 23 | 6526836309 |
[1,15,35,47,81,7087,7399,19865,19913,24087,24279, 408257,409303,2042205,5262017,5262089,6189393, 6435851,6435983,64318033,64323297,64346653, 188012449,6526836309] |