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| n | a(n) |
|---|---|
| 1 | 832 |
| 2 | 1477 |
| 3 | 4006 |
| 4 | 8329 |
| 5 | 29158 |
| 6 | 88899 |
| 7 | 189777 |
| 8 | 680323 |
| 9 | 2097950 |
| 10 | 4459797 |
| 11 | 16207003 |
| 12 | 50241432 |
| 13 | 106284365 |
| 14 | 390413041 |
| 15 | 1215215993 |
| 16 | 2560430019 |
| 17 | 9487153047 |
| 18 | 29626334151 |
| 19 | 62221453445 |
| 20 | 232146488313 |
| 21 | 726802890892 |
| 22 | 1522575311063 |
[832,1477,4006,8329,29158,88899,189777,680323, 2097950,4459797,16207003,50241432,106284365, 390413041,1215215993,2560430019,9487153047, 29626334151,62221453445,232146488313,726802890892, 1522575311063] |