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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | -1 |
| 4 | -5 |
| 5 | -11 |
| 6 | -15 |
| 7 | -9 |
| 8 | 19 |
| 9 | 77 |
| 10 | 153 |
| 11 | 191 |
| 12 | 75 |
| 13 | -347 |
| 14 | -1151 |
| 15 | -2105 |
| 16 | -2365 |
| 17 | -323 |
| 18 | 5929 |
| 19 | 16911 |
| 20 | 28539 |
| 21 | 28309 |
| 22 | -5743 |
| 23 | -96873 |
| 24 | -244621 |
| 25 | -380883 |
| 26 | -323399 |
| 27 | 223327 |
| 28 | 1531819 |
| 29 | 3487109 |
| 30 | 4995745 |
| 31 | 3440743 |
| 32 | -5088477 |
| 33 | -23609187 |
| 34 | -49011383 |
| 35 | -64236625 |
| 36 | -32243493 |
| 37 | 97772405 |
| 38 | 356261553 |
| 39 | 679237687 |
[1,1,1,-1,-5,-11,-15,-9,19,77,153,191,75,-347, -1151,-2105,-2365,-323,5929,16911,28539,28309, -5743,-96873,-244621,-380883,-323399,223327, 1531819,3487109,4995745,3440743,-5088477, -23609187,-49011383,-64236625,-32243493,97772405, 356261553,679237687] |