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| n | a(n) |
|---|---|
| 1 | 17156 |
| 2 | 51026 |
| 3 | 150572 |
| 4 | 560408 |
| 5 | 2021016 |
| 6 | 9191620 |
| 7 | 39038268 |
| 8 | 213791308 |
| 9 | 1031265884 |
| 10 | 6478189956 |
| 11 | 33941673948 |
| 12 | 230895962640 |
| 13 | 1269494065360 |
| 14 | 8976203094604 |
| 15 | 50758367608856 |
| 16 | 364579538686824 |
| 17 | 2098173723540476 |
| 18 | 15134353956170396 |
[17156,51026,150572,560408,2021016,9191620, 39038268,213791308,1031265884,6478189956, 33941673948,230895962640,1269494065360, 8976203094604,50758367608856,364579538686824, 2098173723540476,15134353956170396] |