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| n | a(n) |
|---|---|
| 0 | 21 |
| 1 | 295 |
| 2 | 12411 |
| 3 | 174049 |
| 4 | 7322469 |
| 5 | 102688615 |
| 6 | 4320244299 |
| 7 | 60586108801 |
| 8 | 2548936813941 |
| 9 | 35745701503975 |
| 10 | 1503868399980891 |
| 11 | 21089903301236449 |
| 12 | 887279807051911749 |
| 13 | 12443007202028000935 |
| 14 | 523493582292227951019 |
[21,295,12411,174049,7322469,102688615,4320244299, 60586108801,2548936813941,35745701503975, 1503868399980891,21089903301236449, 887279807051911749,12443007202028000935, 523493582292227951019] |