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| n | a(n) |
|---|---|
| 0 | -50 |
| 1 | 2498 |
| 2 | 173262 |
| 3 | 7783550 |
| 4 | 376636138 |
| 5 | 17527857350 |
| 6 | 826628182158 |
| 7 | 38778106729442 |
| 8 | 1822757247598510 |
| 9 | 85612705715717438 |
| 10 | 4022299792573538250 |
| 11 | 188956642021519970918 |
| 12 | 8877044611408850508622 |
| 13 | 417030260830076184423170 |
| 14 | 19591578937460413027671438 |
[-50,2498,173262,7783550,376636138,17527857350, 826628182158,38778106729442,1822757247598510, 85612705715717438,4022299792573538250, 188956642021519970918,8877044611408850508622, 417030260830076184423170, 19591578937460413027671438] |