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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 192 |
| 3 | 1704 |
| 4 | 16048 |
| 5 | 147281 |
| 6 | 1372782 |
| 7 | 12838095 |
| 8 | 120108770 |
| 9 | 1124195594 |
| 10 | 10524878708 |
| 11 | 98550592637 |
| 12 | 922850729408 |
| 13 | 8642158545087 |
| 14 | 80932571989018 |
| 15 | 757932288592261 |
| 16 | 7098080021451769 |
| 17 | 66474230286254441 |
| 18 | 622539435306862178 |
[16,192,1704,16048,147281,1372782,12838095, 120108770,1124195594,10524878708,98550592637, 922850729408,8642158545087,80932571989018, 757932288592261,7098080021451769, 66474230286254441,622539435306862178] |