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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 19 |
| 4 | 107 |
| 5 | 1471 |
| 6 | 164059 |
| 7 | 65442581 |
| 8 | 26560388929 |
| 9 | 10901416818161 |
| 10 | 4504891039128649 |
| 11 | 20562691778919031051 |
| 12 | 94108143760454361244249 |
| 13 | 5609165278757040127506253363 |
| 14 | 334755533004517896353486403105731 |
[1,3,19,107,1471,164059,65442581,26560388929, 10901416818161,4504891039128649, 20562691778919031051,94108143760454361244249, 5609165278757040127506253363, 334755533004517896353486403105731] |