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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 0 |
| 5 | 8 |
| 6 | 14580 |
| 7 | 4374 |
| 8 | 0 |
| 9 | 729 |
| 10 | 4048551936 |
| 11 | 226492416 |
| 12 | 18874368 |
| 13 | 0 |
| 14 | 1048576 |
| 15 | 295675781250000000 |
| 16 | 2312011718750000 |
| 17 | 34179687500000 |
| 18 | 1220703125000 |
| 19 | 0 |
| 20 | 30517578125 |
| 21 | 10306481396833139345326080000 |
| 22 | 7928233330938960936960000 |
| 23 | 15078911446429728768000 |
| 24 | 87747802561511424000 |
| 25 | 1645271298028339200 |
| 26 | 0 |
| 27 | 21936950640377856 |
[1,0,1,8,0,8,14580,4374,0,729,4048551936, 226492416,18874368,0,1048576,295675781250000000, 2312011718750000,34179687500000,1220703125000,0, 30517578125,10306481396833139345326080000, 7928233330938960936960000,15078911446429728768000, 87747802561511424000,1645271298028339200,0, 21936950640377856] |