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| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 491 |
| 3 | 1823 |
| 4 | 6883 |
| 5 | 183661 |
| 6 | 757063 |
| 7 | 9642461 |
| 8 | 10398683 |
| 9 | 11948737 |
| 10 | 61241363 |
| 11 | 125644177 |
| 12 | 141037697 |
| 13 | 168598249 |
| 14 | 329147719 |
| 15 | 1507060573 |
| 16 | 2936125141 |
| 17 | 24257906011 |
| 18 | 74038127803 |
| 19 | 863209344623 |
| 20 | 1167992076341 |
[17,491,1823,6883,183661,757063,9642461,10398683, 11948737,61241363,125644177,141037697,168598249, 329147719,1507060573,2936125141,24257906011, 74038127803,863209344623,1167992076341] |