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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 109 |
| 4 | 37 |
| 5 | 6841 |
| 6 | 13 |
| 7 | 372709 |
| 8 | 1513 |
| 9 | 176149 |
| 10 | 1661 |
| 11 | 964249309 |
| 12 | 1801 |
| 13 | 47834153641 |
| 14 | 75139 |
| 15 | 3162961 |
| 16 | 3077713 |
| 17 | 115933787267041 |
| 18 | 30133 |
| 19 | 5689910849522509 |
| 20 | 3949201 |
| 21 | 6868494361 |
| 22 | 168846239 |
| 23 | 13678413205562919109 |
| 24 | 4654801 |
| 25 | 97995219736887001 |
[2,3,109,37,6841,13,372709,1513,176149,1661, 964249309,1801,47834153641,75139,3162961,3077713, 115933787267041,30133,5689910849522509,3949201, 6868494361,168846239,13678413205562919109,4654801, 97995219736887001] |