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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 37 |
| 4 | 44101 |
| 5 | 157081 |
| 6 | 2031121 |
| 7 | 7282801 |
| 8 | 8122501 |
| 9 | 18671941 |
| 10 | 78550201 |
| 11 | 208168381 |
| 12 | 770810041 |
| 13 | 2658625201 |
| 14 | 2710529641 |
| 15 | 5241663001 |
| 16 | 14643783001 |
| 17 | 18719308441 |
| 18 | 56181482281 |
| 19 | 73303609681 |
| 20 | 74623302001 |
| 21 | 110102454001 |
| 22 | 140659081201 |
[3,5,37,44101,157081,2031121,7282801,8122501, 18671941,78550201,208168381,770810041,2658625201, 2710529641,5241663001,14643783001,18719308441, 56181482281,73303609681,74623302001,110102454001, 140659081201] |