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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 7 |
| 3 | 2 |
| 4 | 27 |
| 5 | 30 |
| 6 | 103 |
| 7 | 106 |
| 8 | 491 |
| 9 | 110 |
| 10 | 2039 |
| 11 | 58 |
| 12 | 8155 |
| 13 | 254 |
| 14 | 32519 |
| 15 | 746 |
| 16 | 127851 |
| 17 | 12270 |
| 18 | 471159 |
| 19 | 163514 |
| 20 | 1803995 |
| 21 | 1933310 |
| 22 | 7176199 |
| 23 | 8355818 |
| 24 | 25395307 |
| 25 | 33390318 |
| 26 | 101549943 |
| 27 | 98560954 |
| 28 | 383806939 |
| 29 | 528416510 |
| 30 | 1669793543 |
| 31 | 1979378410 |
| 32 | 7350217579 |
| 33 | 8589930478 |
[1,0,7,2,27,30,103,106,491,110,2039,58,8155,254, 32519,746,127851,12270,471159,163514,1803995, 1933310,7176199,8355818,25395307,33390318, 101549943,98560954,383806939,528416510,1669793543, 1979378410,7350217579,8589930478] |