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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 97 |
| 4 | 940 |
| 5 | 9109 |
| 6 | 88270 |
| 7 | 855373 |
| 8 | 8288920 |
| 9 | 80323081 |
| 10 | 778364050 |
| 11 | 7542671257 |
| 12 | 73091620420 |
| 13 | 708288190429 |
| 14 | 6863607043030 |
| 15 | 66511205859013 |
| 16 | 644521237461040 |
| 17 | 6245678757033361 |
| 18 | 60523223857950490 |
| 19 | 586495202308404817 |
| 20 | 5683382351510196700 |
| 21 | 55074337908176752549 |
[0,1,10,97,940,9109,88270,855373,8288920,80323081, 778364050,7542671257,73091620420,708288190429, 6863607043030,66511205859013,644521237461040, 6245678757033361,60523223857950490, 586495202308404817,5683382351510196700, 55074337908176752549] |