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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 29 |
| 3 | 27 |
| 4 | 75 |
| 5 | 191 |
| 6 | 401 |
| 7 | 952 |
| 8 | 2258 |
| 9 | 5275 |
| 10 | 13250 |
| 11 | 32268 |
| 12 | 77769 |
| 13 | 191931 |
| 14 | 469537 |
| 15 | 1146722 |
| 16 | 2829540 |
| 17 | 6941097 |
| 18 | 16987427 |
| 19 | 41832684 |
| 20 | 102763482 |
| 21 | 252007870 |
| 22 | 619897823 |
| 23 | 1523184474 |
| 24 | 3738568449 |
| 25 | 9191254923 |
| 26 | 22587057264 |
| 27 | 55465702765 |
| 28 | 136320314139 |
[8,29,27,75,191,401,952,2258,5275,13250,32268, 77769,191931,469537,1146722,2829540,6941097, 16987427,41832684,102763482,252007870,619897823, 1523184474,3738568449,9191254923,22587057264, 55465702765,136320314139] |