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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 5 |
| 2 | 41 |
| 3 | 593 |
| 4 | 4513 |
| 5 | 155593 |
| 6 | 1166225 |
| 7 | 72873665 |
| 8 | 543046721 |
| 9 | 53486784401 |
| 10 | 397441609945 |
| 11 | 56635031066257 |
| 12 | 420155471749553 |
| 13 | 81721424164605401 |
| 14 | 605653678328814113 |
| 15 | 154142360945389303553 |
| 16 | 1141616971745015134465 |
| 17 | 368180757129736563169825 |
| 18 | 2725567350297911241532841 |
[2,5,41,593,4513,155593,1166225,72873665, 543046721,53486784401,397441609945,56635031066257, 420155471749553,81721424164605401, 605653678328814113,154142360945389303553, 1141616971745015134465,368180757129736563169825, 2725567350297911241532841] |