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| n | a(n) |
|---|---|
| 1 | 10179 |
| 2 | 161906 |
| 3 | 1501739 |
| 4 | 9772880 |
| 5 | 49523566 |
| 6 | 208452452 |
| 7 | 760734085 |
| 8 | 2480493084 |
| 9 | 7386931919 |
| 10 | 20428661228 |
| 11 | 53150645617 |
| 12 | 131458741458 |
| 13 | 311732368552 |
| 14 | 713787172312 |
| 15 | 1587653508305 |
| 16 | 3447998356240 |
| 17 | 7343636929707 |
| 18 | 15396659787782 |
[10179,161906,1501739,9772880,49523566,208452452, 760734085,2480493084,7386931919,20428661228, 53150645617,131458741458,311732368552, 713787172312,1587653508305,3447998356240, 7343636929707,15396659787782] |