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| n | a(n) |
|---|---|
| 1 | 1716 |
| 2 | 5891 |
| 3 | 36254 |
| 4 | 161176 |
| 5 | 839073 |
| 6 | 4771920 |
| 7 | 24138984 |
| 8 | 123310754 |
| 9 | 662480793 |
| 10 | 3462881003 |
| 11 | 17901457898 |
| 12 | 94193468029 |
| 13 | 494253218713 |
| 14 | 2575427089930 |
| 15 | 13479058203992 |
| 16 | 70635679978670 |
| 17 | 369192210644796 |
| 18 | 1930772613998630 |
[1716,5891,36254,161176,839073,4771920,24138984, 123310754,662480793,3462881003,17901457898, 94193468029,494253218713,2575427089930, 13479058203992,70635679978670,369192210644796, 1930772613998630] |