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| n | a(n) |
|---|---|
| 10 | 4140 |
| 11 | 49697 |
| 12 | 455371 |
| 13 | 3756660 |
| 14 | 29303172 |
| 15 | 220506007 |
| 16 | 1616326536 |
| 17 | 11602806171 |
| 18 | 81849519019 |
| 19 | 569127774789 |
| 20 | 3911294945801 |
| 21 | 26619412609350 |
| 22 | 179676383034601 |
| 23 | 1204239150572143 |
| 24 | 8022049955315373 |
| 25 | 53157083625640443 |
| 26 | 350620610289045902 |
| 27 | 2303382775646163099 |
| 28 | 15078600881355124553 |
[4140,49697,455371,3756660,29303172,220506007, 1616326536,11602806171,81849519019,569127774789, 3911294945801,26619412609350,179676383034601, 1204239150572143,8022049955315373, 53157083625640443,350620610289045902, 2303382775646163099,15078600881355124553] |