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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 4 |
| 7 | 0 |
| 8 | 27 |
| 9 | 0 |
| 10 | 248 |
| 11 | 0 |
| 12 | 2830 |
| 13 | 0 |
| 14 | 38232 |
| 15 | 0 |
| 16 | 593859 |
| 17 | 0 |
| 18 | 10401712 |
| 19 | 0 |
| 20 | 202601898 |
| 21 | 0 |
| 22 | 4342263000 |
| 23 | 0 |
| 24 | 101551822350 |
| 25 | 0 |
| 26 | 2573779506192 |
| 27 | 0 |
| 28 | 70282204726396 |
| 29 | 0 |
| 30 | 2057490936366320 |
| 31 | 0 |
| 32 | 64291032462761955 |
| 33 | 0 |
| 34 | 2136017303903513184 |
| 35 | 0 |
[1,1,1,0,1,0,4,0,27,0,248,0,2830,0,38232,0,593859, 0,10401712,0,202601898,0,4342263000,0, 101551822350,0,2573779506192,0,70282204726396,0, 2057490936366320,0,64291032462761955,0, 2136017303903513184,0] |