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| n | a(n) |
|---|---|
| 1 | 159 |
| 2 | 25281 |
| 3 | 2253828 |
| 4 | 185900905 |
| 5 | 12628574785 |
| 6 | 788980366553 |
| 7 | 44750006935212 |
| 8 | 2380009487628460 |
| 9 | 119102221790408950 |
| 10 | 5679107254350714417 |
| 11 | 259271407469847625873 |
| 12 | 11405005155091115435008 |
| 13 | 485271704403173804854458 |
[159,25281,2253828,185900905,12628574785, 788980366553,44750006935212,2380009487628460, 119102221790408950,5679107254350714417, 259271407469847625873,11405005155091115435008, 485271704403173804854458] |