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| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 35 |
| 2 | 305 |
| 3 | 3095 |
| 4 | 35225 |
| 5 | 439775 |
| 6 | 5939225 |
| 7 | 85961375 |
| 8 | 1324702025 |
| 9 | 21632195375 |
| 10 | 372965377625 |
| 11 | 6769644905375 |
| 12 | 129049505347625 |
| 13 | 2578419996023375 |
| 14 | 53898389265685625 |
| 15 | 1176832196718869375 |
| 16 | 26798832693476455625 |
| 17 | 635575680349115699375 |
| 18 | 15677971277701873945625 |
| 19 | 401729457433222058609375 |
[5,35,305,3095,35225,439775,5939225,85961375, 1324702025,21632195375,372965377625,6769644905375, 129049505347625,2578419996023375, 53898389265685625,1176832196718869375, 26798832693476455625,635575680349115699375, 15677971277701873945625,401729457433222058609375] |