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| n | a(n) |
|---|---|
| 0 | 29 |
| 1 | 30 |
| 2 | 209 |
| 3 | 448 |
| 4 | 6481 |
| 5 | 13410 |
| 6 | 86941 |
| 7 | 100351 |
| 8 | 5907299 |
| 9 | 6007650 |
| 10 | 41953199 |
| 11 | 89914048 |
| 12 | 1300749871 |
| 13 | 2691413790 |
| 14 | 17449232611 |
| 15 | 20140646401 |
| 16 | 1185606723869 |
| 17 | 1205747370270 |
| 18 | 8420090945489 |
| 19 | 18045929261248 |
[29,30,209,448,6481,13410,86941,100351,5907299, 6007650,41953199,89914048,1300749871,2691413790, 17449232611,20140646401,1185606723869, 1205747370270,8420090945489,18045929261248] |