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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 1 |
| 4 | -23 |
| 5 | -5 |
| 6 | 5 |
| 7 | 521 |
| 8 | -1357 |
| 9 | -97 |
| 10 | 35713 |
| 11 | 538019 |
| 12 | -45411 |
| 13 | -109923 |
| 14 | 2173451 |
| 15 | 12637 |
| 16 | -3109585853579 |
| 17 | -2750583611 |
| 18 | 16296301543 |
| 19 | 41079818933 |
| 20 | -154715264921 |
| 21 | -2559782104871 |
| 22 | 201299334909241 |
| 23 | 8079972368723417 |
| 24 | -2104258043122757 |
| 25 | -118316122614712593 |
| 26 | 418629788956582261 |
[1,3,5,1,-23,-5,5,521,-1357,-97,35713,538019, -45411,-109923,2173451,12637,-3109585853579, -2750583611,16296301543,41079818933,-154715264921, -2559782104871,201299334909241,8079972368723417, -2104258043122757,-118316122614712593, 418629788956582261] |