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| n | a(n) |
|---|---|
| 1 | 728293031 |
| 2 | 282930313 |
| 3 | 343536373 |
| 4 | 940414243 |
| 5 | 727374757 |
| 6 | 778798081 |
| 7 | 586878889 |
| 8 | 596979899 |
| 9 | 798991001 |
| 10 | 899100101 |
| 11 | 810911011 |
| 12 | 911011111 |
| 13 | 720820921 |
| 14 | 736836937 |
| 15 | 937037137 |
| 16 | 939039139 |
| 17 | 850951051 |
| 18 | 951051151 |
| 19 | 756856957 |
| 20 | 973073173 |
| 21 | 876977077 |
[728293031,282930313,343536373,940414243, 727374757,778798081,586878889,596979899,798991001, 899100101,810911011,911011111,720820921,736836937, 937037137,939039139,850951051,951051151,756856957, 973073173,876977077] |