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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 2 |
| 5 | 1 |
| 6 | 11 |
| 7 | 9 |
| 8 | 15 |
| 9 | 256 |
| 10 | 0 |
| 11 | 0 |
| 12 | 408 |
| 13 | 307 |
| 14 | 387 |
| 15 | 511 |
| 16 | 1608 |
| 17 | 3821 |
| 18 | 43207 |
| 19 | 13651 |
| 20 | 0 |
| 21 | 147897 |
| 22 | 115063 |
| 23 | 179695 |
| 24 | 938500 |
| 25 | 133868 |
| 26 | 844163 |
| 27 | 21955502 |
| 28 | 3756136 |
| 29 | 9067127 |
| 30 | 0 |
| 31 | 33861703 |
| 32 | 46269686 |
| 33 | 177316890 |
| 34 | 163959413 |
| 35 | 75053719 |
| 36 | 6678119984 |
| 37 | 1776064204 |
[1,1,4,2,1,11,9,15,256,0,0,408,307,387,511,1608, 3821,43207,13651,0,147897,115063,179695,938500, 133868,844163,21955502,3756136,9067127,0,33861703, 46269686,177316890,163959413,75053719,6678119984, 1776064204] |