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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 17 |
| 2 | 58 |
| 3 | 160 |
| 4 | 408 |
| 5 | 1000 |
| 6 | 2392 |
| 7 | 5624 |
| 8 | 13048 |
| 9 | 29944 |
| 10 | 68088 |
| 11 | 153592 |
| 12 | 344056 |
| 13 | 765944 |
| 14 | 1695736 |
| 15 | 3735544 |
| 16 | 8191992 |
| 17 | 17891320 |
| 18 | 38928376 |
| 19 | 84410360 |
| 20 | 182452216 |
| 21 | 393215992 |
| 22 | 845152248 |
| 23 | 1811939320 |
| 24 | 3875536888 |
| 25 | 8271167480 |
| 26 | 17616076792 |
[1,17,58,160,408,1000,2392,5624,13048,29944,68088, 153592,344056,765944,1695736,3735544,8191992, 17891320,38928376,84410360,182452216,393215992, 845152248,1811939320,3875536888,8271167480, 17616076792] |