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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 10 |
| 3 | 19 |
| 4 | 33 |
| 5 | 65 |
| 6 | 149 |
| 7 | 304 |
| 8 | 643 |
| 9 | 1343 |
| 10 | 2880 |
| 11 | 6038 |
| 12 | 12805 |
| 13 | 27015 |
| 14 | 57283 |
| 15 | 120917 |
| 16 | 255898 |
| 17 | 540904 |
| 18 | 1144495 |
| 19 | 2419416 |
| 20 | 5117330 |
| 21 | 10820901 |
| 22 | 22886110 |
| 23 | 48394996 |
| 24 | 102347752 |
| 25 | 216437366 |
| 26 | 457724270 |
| 27 | 967964774 |
| 28 | 2047035882 |
| 29 | 4328987213 |
[8,10,19,33,65,149,304,643,1343,2880,6038,12805, 27015,57283,120917,255898,540904,1144495,2419416, 5117330,10820901,22886110,48394996,102347752, 216437366,457724270,967964774,2047035882, 4328987213] |