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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | 5 |
| 3 | 77 |
| 4 | 277 |
| 5 | 140173 |
| 6 | 1743859 |
| 7 | 2076083 |
| 8 | 259374867533 |
| 9 | 57573296785133 |
| 10 | 770098483166113 |
| 11 | 5605884055023955789 |
| 12 | 7228014618092706553 |
| 13 | 3332173791979508526419 |
| 14 | 27269879914911094298619533 |
| 15 | 91854722122840672285969818121 |
| 16 | 10712330835046717680588811970893 |
| 17 | 283551664519128905300910019306673 |
[1,-3,5,77,277,140173,1743859,2076083, 259374867533,57573296785133,770098483166113, 5605884055023955789,7228014618092706553, 3332173791979508526419,27269879914911094298619533, 91854722122840672285969818121, 10712330835046717680588811970893, 283551664519128905300910019306673] |