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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 0 |
| 3 | 0 |
| 4 | 24 |
| 5 | 0 |
| 6 | 0 |
| 7 | 338 |
| 8 | 1632 |
| 9 | 1970 |
| 10 | 0 |
| 11 | 22964 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 2824992 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 900234724 |
| 24 | 0 |
| 25 | 2623476242 |
| 26 | 0 |
| 27 | 0 |
| 28 | 36915112104 |
| 29 | 178241928596 |
| 30 | 0 |
| 31 | 0 |
| 32 | 5016108528384 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 42600007379160 |
| 37 | 205691031143924 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 0 |
| 42 | 0 |
| 43 | 40725785296405556 |
| 44 | 98320743200877072 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 0 |
[1,2,0,0,24,0,0,338,1632,1970,0,22964,0,0,0,0, 2824992,0,0,0,0,0,0,900234724,0,2623476242,0,0, 36915112104,178241928596,0,0,5016108528384,0,0,0, 42600007379160,205691031143924,0,0,0,0,0, 40725785296405556,98320743200877072,0,0,0,0] |