| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 8 |
| 5 | 0 |
| 6 | -2 |
| 7 | 26 |
| 8 | 26 |
| 9 | -2 |
| 10 | -4 |
| 11 | 48 |
| 12 | 296 |
| 13 | 48 |
| 14 | -4 |
| 15 | -4 |
| 16 | 12 |
| 17 | 1912 |
| 18 | 1912 |
| 19 | 12 |
| 20 | -4 |
| 21 | 0 |
| 22 | -352 |
| 23 | 9088 |
| 24 | 28608 |
| 25 | 9088 |
| 26 | -352 |
| 27 | 0 |
| 28 | 8 |
| 29 | -2056 |
| 30 | 33000 |
| 31 | 291608 |
| 32 | 291608 |
| 33 | 33000 |
| 34 | -2056 |
| 35 | 8 |
| 36 | 16 |
| 37 | -8576 |
| 38 | 72640 |
| 39 | 2366848 |
| 40 | 5460064 |
| 41 | 2366848 |
| 42 | 72640 |
| 43 | -8576 |
| 44 | 16 |
| 45 | 16 |
| 46 | -30832 |
| 47 | -168640 |
[1,1,1,0,8,0,-2,26,26,-2,-4,48,296,48,-4,-4,12, 1912,1912,12,-4,0,-352,9088,28608,9088,-352,0,8, -2056,33000,291608,291608,33000,-2056,8,16,-8576, 72640,2366848,5460064,2366848,72640,-8576,16,16, -30832,-168640] |