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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 17 |
| 3 | 258 |
| 4 | 3874 |
| 5 | 58115 |
| 6 | 871731 |
| 7 | 13075972 |
| 8 | 196139588 |
| 9 | 2942093829 |
| 10 | 44131407445 |
| 11 | 661971111686 |
| 12 | 9929566675302 |
| 13 | 148943500129543 |
| 14 | 2234152501943159 |
| 15 | 502684312937210790 |
| 16 | 113103970410872427766 |
| 17 | 25448393342446296247367 |
[1,17,258,3874,58115,871731,13075972,196139588, 2942093829,44131407445,661971111686,9929566675302, 148943500129543,2234152501943159, 502684312937210790,113103970410872427766, 25448393342446296247367] |