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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 65 |
| 4 | 4393 |
| 5 | 4978093 |
| 6 | 7684637159 |
| 7 | 34558204013 |
| 8 | 53840444020 |
| 9 | 77632362580 |
| 10 | 113395969668 |
| 11 | 10071864211161 |
| 12 | 14245977124593 |
| 13 | 9922499247583233641 |
| 14 | 19777881063133926681599 |
| 15 | 210828404893391210024377 |
| 16 | 281764316443130726035865 |
| 17 | 184369758819660414221989 |
[1,65,4393,4978093,7684637159,34558204013, 53840444020,77632362580,113395969668, 10071864211161,14245977124593,9922499247583233641, 19777881063133926681599,210828404893391210024377, 281764316443130726035865,184369758819660414221989] |