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| n | a(n) |
|---|---|
| 0 | 27 |
| 1 | 322 |
| 2 | 4556 |
| 3 | 61814 |
| 4 | 847098 |
| 5 | 11580788 |
| 6 | 158413552 |
| 7 | 2166639646 |
| 8 | 29634348798 |
| 9 | 405322443028 |
| 10 | 5543789598764 |
| 11 | 75825036741014 |
| 12 | 1037095063081722 |
| 13 | 14184841682767868 |
| 14 | 194012817135153904 |
| 15 | 2653605447140034790 |
| 16 | 36294622054374551742 |
| 17 | 496418784252960527212 |
[27,322,4556,61814,847098,11580788,158413552, 2166639646,29634348798,405322443028,5543789598764, 75825036741014,1037095063081722,14184841682767868, 194012817135153904,2653605447140034790, 36294622054374551742,496418784252960527212] |