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| n | a(n) |
|---|---|
| 1 | 27 |
| 2 | 343 |
| 3 | 29791 |
| 4 | 2048383 |
| 5 | 549554511871 |
| 6 | 2251748274470911 |
| 7 | 144114363443707903 |
| 8 | 9903520300447984150353281023 |
| 9 | 12259964326927110850916040267783483001021757281745764351 |
[27,343,29791,2048383,549554511871, 2251748274470911,144114363443707903, 9903520300447984150353281023, 12259964326927110850916040267783483001021757281745\ 764351] |