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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 216 |
| 3 | 2258 |
| 4 | 26278 |
| 5 | 304059 |
| 6 | 3498712 |
| 7 | 40369420 |
| 8 | 465695460 |
| 9 | 5371615378 |
| 10 | 61963914640 |
| 11 | 714775246855 |
| 12 | 8245166941204 |
| 13 | 95110883664721 |
| 14 | 1097137037898414 |
| 15 | 12655856242014827 |
| 16 | 145989698290290048 |
| 17 | 1684041873726216726 |
[16,216,2258,26278,304059,3498712,40369420, 465695460,5371615378,61963914640,714775246855, 8245166941204,95110883664721,1097137037898414, 12655856242014827,145989698290290048, 1684041873726216726] |