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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 64 |
| 3 | 342 |
| 4 | 1356 |
| 5 | 4325 |
| 6 | 11749 |
| 7 | 28369 |
| 8 | 62869 |
| 9 | 130891 |
| 10 | 260219 |
| 11 | 499470 |
| 12 | 932402 |
| 13 | 1701094 |
| 14 | 3042926 |
| 15 | 5348741 |
| 16 | 9253153 |
| 17 | 15773146 |
| 18 | 26518532 |
| 19 | 44008367 |
| 20 | 72142211 |
| 21 | 116895662 |
| 22 | 187337832 |
| 23 | 297106834 |
| 24 | 466531024 |
| 25 | 725652569 |
| 26 | 1118500677 |
| 27 | 1709080380 |
[8,64,342,1356,4325,11749,28369,62869,130891, 260219,499470,932402,1701094,3042926,5348741, 9253153,15773146,26518532,44008367,72142211, 116895662,187337832,297106834,466531024,725652569, 1118500677,1709080380] |