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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 23 |
| 2 | 203 |
| 3 | 1823 |
| 4 | 16403 |
| 5 | 147623 |
| 6 | 1328603 |
| 7 | 11957423 |
| 8 | 107616803 |
| 9 | 968551223 |
| 10 | 8716961003 |
| 11 | 78452649023 |
| 12 | 706073841203 |
| 13 | 6354664570823 |
| 14 | 57191981137403 |
| 15 | 514727830236623 |
| 16 | 4632550472129603 |
| 17 | 41692954249166423 |
| 18 | 375236588242497803 |
[3,23,203,1823,16403,147623,1328603,11957423, 107616803,968551223,8716961003,78452649023, 706073841203,6354664570823,57191981137403, 514727830236623,4632550472129603, 41692954249166423,375236588242497803] |