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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -11 |
| 2 | 49 |
| 3 | -107 |
| 4 | 97 |
| 5 | 137 |
| 6 | -427 |
| 7 | -1249 |
| 8 | 2147 |
| 9 | 329 |
| 10 | -1601 |
| 11 | -129559 |
| 12 | -9329 |
| 13 | 31523 |
| 14 | 10326263 |
| 15 | 51307231 |
| 16 | 255571 |
| 17 | -557933137 |
| 18 | -913977949 |
| 19 | -12806652259 |
| 20 | -565484693 |
| 21 | 388623944407 |
| 22 | 6314613012857 |
| 23 | 212124740033 |
| 24 | 27554289038383 |
| 25 | -1724536942646717 |
| 26 | -42239185706105669 |
| 27 | -45706055907059 |
[1,-11,49,-107,97,137,-427,-1249,2147,329,-1601, -129559,-9329,31523,10326263,51307231,255571, -557933137,-913977949,-12806652259,-565484693, 388623944407,6314613012857,212124740033, 27554289038383,-1724536942646717, -42239185706105669,-45706055907059] |