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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 314 |
| 4 | 3140 |
| 5 | 53292 |
| 6 | 487830 |
| 7 | 6811479 |
| 8 | 62248790 |
| 9 | 767197516 |
| 10 | 7042095920 |
| 11 | 81955369777 |
| 12 | 758479227700 |
| 13 | 8507298585600 |
| 14 | 79472821382440 |
| 15 | 870035427428542 |
| 16 | 8203118157997530 |
[1,10,314,3140,53292,487830,6811479,62248790, 767197516,7042095920,81955369777,758479227700, 8507298585600,79472821382440,870035427428542, 8203118157997530] |