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| n | a(n) |
|---|---|
| 1 | 1205 |
| 2 | 3341 |
| 3 | 9507 |
| 4 | 26759 |
| 5 | 72271 |
| 6 | 183491 |
| 7 | 489135 |
| 8 | 1335839 |
| 9 | 3667545 |
| 10 | 10039379 |
| 11 | 27181211 |
| 12 | 73888637 |
| 13 | 202404193 |
| 14 | 556519333 |
| 15 | 1531160805 |
| 16 | 4209564311 |
| 17 | 11579591827 |
| 18 | 31920552169 |
| 19 | 88160917963 |
| 20 | 243693021765 |
| 21 | 673890012093 |
| 22 | 1864390340109 |
[1205,3341,9507,26759,72271,183491,489135,1335839, 3667545,10039379,27181211,73888637,202404193, 556519333,1531160805,4209564311,11579591827, 31920552169,88160917963,243693021765,673890012093, 1864390340109] |