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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 361 |
| 3 | 1345 |
| 4 | 8605 |
| 5 | 135595 |
| 6 | 3051121 |
| 7 | 31840777 |
| 8 | 475175089 |
| 9 | 7929763795 |
| 10 | 150668328169 |
| 11 | 2326985790673 |
| 12 | 39746065869181 |
| 13 | 690182655459499 |
| 14 | 12460277987364721 |
| 15 | 213488928651534985 |
| 16 | 3766549018888748593 |
[19,361,1345,8605,135595,3051121,31840777, 475175089,7929763795,150668328169,2326985790673, 39746065869181,690182655459499,12460277987364721, 213488928651534985,3766549018888748593] |