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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 42 |
| 2 | 514 |
| 3 | -83412 |
| 4 | -5430804 |
| 5 | 188966232 |
| 6 | 41879106744 |
| 7 | 341675743248 |
| 8 | -352091802793584 |
| 9 | -18204613149810528 |
| 10 | 3196439029135777824 |
| 11 | 361808103596334268608 |
| 12 | -28755096299570905798464 |
| 13 | -6634835598526992072655488 |
| 14 | 188607219729893552173509504 |
| 15 | 124031126202877890462758439168 |
[1,42,514,-83412,-5430804,188966232,41879106744, 341675743248,-352091802793584,-18204613149810528, 3196439029135777824,361808103596334268608, -28755096299570905798464, -6634835598526992072655488, 188607219729893552173509504, 124031126202877890462758439168] |