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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | 0 |
| 5 | 16 |
| 6 | 0 |
| 7 | 0 |
| 8 | 192 |
| 9 | 0 |
| 10 | 0 |
| 11 | 3456 |
| 12 | 0 |
| 13 | 0 |
| 14 | 101376 |
| 15 | 0 |
| 16 | 0 |
| 17 | 4530176 |
| 18 | 0 |
| 19 | 0 |
| 20 | 268566528 |
| 21 | 0 |
| 22 | 0 |
| 23 | 19364544512 |
| 24 | 0 |
| 25 | 0 |
| 26 | 1625159761920 |
| 27 | 0 |
| 28 | 0 |
| 29 | 154906103119872 |
| 30 | 0 |
| 31 | 0 |
| 32 | 16501222521438208 |
| 33 | 0 |
| 34 | 0 |
| 35 | 1941212535558504448 |
| 36 | 0 |
| 37 | 0 |
| 38 | 249847697842041257984 |
| 39 | 0 |
| 40 | 0 |
| 41 | 34914299540455999668224 |
[0,2,0,0,16,0,0,192,0,0,3456,0,0,101376,0,0, 4530176,0,0,268566528,0,0,19364544512,0,0, 1625159761920,0,0,154906103119872,0,0, 16501222521438208,0,0,1941212535558504448,0,0, 249847697842041257984,0,0,34914299540455999668224] |