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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 11 |
| 3 | 37 |
| 4 | 101 |
| 5 | 41 |
| 6 | 7 |
| 7 | 239 |
| 8 | 73 |
| 9 | 333667 |
| 10 | 9091 |
| 11 | 21649 |
| 12 | 9901 |
| 13 | 53 |
| 14 | 909091 |
| 15 | 31 |
| 16 | 17 |
| 17 | 2071723 |
| 18 | 19 |
| 19 | 1111111111111111111 |
| 20 | 3541 |
| 21 | 43 |
| 22 | 23 |
| 23 | 11111111111111111111111 |
| 24 | 99990001 |
| 25 | 21401 |
| 26 | 859 |
| 27 | 757 |
| 28 | 29 |
| 29 | 3191 |
| 30 | 211 |
| 31 | 2791 |
| 32 | 353 |
| 33 | 67 |
| 34 | 103 |
| 35 | 71 |
| 36 | 999999000001 |
| 37 | 2028119 |
| 38 | 909090909090909091 |
[3,11,37,101,41,7,239,73,333667,9091,21649,9901, 53,909091,31,17,2071723,19,1111111111111111111, 3541,43,23,11111111111111111111111,99990001,21401, 859,757,29,3191,211,2791,353,67,103,71, 999999000001,2028119,909090909090909091] |