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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 92 |
| 4 | 636 |
| 5 | 9568 |
| 6 | 138017 |
| 7 | 3275898 |
| 8 | 100565794 |
| 9 | 5427850334 |
| 10 | 274972547840 |
| 11 | 35540211201327 |
| 12 | 3458816367555240 |
| 13 | 1051654956960360726 |
| 14 | 183797069898348851705 |
| 15 | 149794018569432287405504 |
[2,16,92,636,9568,138017,3275898,100565794, 5427850334,274972547840,35540211201327, 3458816367555240,1051654956960360726, 183797069898348851705,149794018569432287405504] |