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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 7 |
| 5 | 7 |
| 6 | 23 |
| 7 | 11 |
| 8 | 109 |
| 9 | 118 |
| 10 | 363 |
| 11 | 157 |
| 12 | 1694 |
| 13 | 1935 |
| 14 | 5935 |
| 15 | 2615 |
| 16 | 28351 |
| 17 | 30719 |
| 18 | 94207 |
| 19 | 38911 |
| 20 | 430079 |
| 21 | 501759 |
| 22 | 1532927 |
| 23 | 715263 |
| 24 | 7305727 |
| 25 | 7780863 |
| 26 | 23949567 |
| 27 | 9959039 |
| 28 | 109833343 |
| 29 | 128834879 |
| 30 | 391376671 |
| 31 | 183631711 |
| 32 | 1869938431 |
| 33 | 2011725823 |
| 34 | 6173704191 |
| 35 | 2549891071 |
[1,0,1,0,7,7,23,11,109,118,363,157,1694,1935,5935, 2615,28351,30719,94207,38911,430079,501759, 1532927,715263,7305727,7780863,23949567,9959039, 109833343,128834879,391376671,183631711, 1869938431,2011725823,6173704191,2549891071] |