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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 495 |
| 3 | 6174 |
| 4 | 549945 |
| 5 | 631764 |
| 6 | 63317664 |
| 7 | 97508421 |
| 8 | 554999445 |
| 9 | 864197532 |
| 10 | 6333176664 |
| 11 | 9753086421 |
| 12 | 9975084201 |
| 13 | 86431976532 |
| 14 | 555499994445 |
| 15 | 633331766664 |
| 16 | 975330866421 |
| 17 | 997530864201 |
| 18 | 999750842001 |
| 19 | 8643319766532 |
| 20 | 63333317666664 |
[0,495,6174,549945,631764,63317664,97508421, 554999445,864197532,6333176664,9753086421, 9975084201,86431976532,555499994445,633331766664, 975330866421,997530864201,999750842001, 8643319766532,63333317666664] |