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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -29 |
| 2 | 348 |
| 3 | -2059 |
| 4 | 4234 |
| 5 | 19024 |
| 6 | -133545 |
| 7 | 168954 |
| 8 | 832532 |
| 9 | -2499510 |
| 10 | -2308545 |
| 11 | 11279782 |
| 12 | 22571454 |
| 13 | -55885088 |
| 14 | -217574356 |
| 15 | 383141127 |
| 16 | 1062928416 |
| 17 | -961984578 |
| 18 | -4860016156 |
| 19 | -3840850828 |
| 20 | 23405599444 |
[1,-29,348,-2059,4234,19024,-133545,168954,832532, -2499510,-2308545,11279782,22571454,-55885088, -217574356,383141127,1062928416,-961984578, -4860016156,-3840850828,23405599444] |