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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 4 |
| 10 | 2 |
| 11 | 4 |
| 12 | 25 |
| 13 | 49 |
| 14 | 25 |
| 15 | 4 |
| 16 | 8 |
| 17 | 125 |
| 18 | 1770 |
| 19 | 1770 |
| 20 | 125 |
| 21 | 8 |
| 22 | 12 |
| 23 | 633 |
| 24 | 52352 |
| 25 | 560436 |
| 26 | 52352 |
| 27 | 633 |
| 28 | 12 |
| 29 | 18 |
| 30 | 2532 |
| 31 | 1095488 |
| 32 | 96348384 |
| 33 | 96348384 |
| 34 | 1095488 |
| 35 | 2532 |
| 36 | 18 |
| 37 | 27 |
| 38 | 10288 |
| 39 | 20725780 |
| 40 | 10716259649 |
[1,1,1,1,1,1,2,4,4,2,4,25,49,25,4,8,125,1770,1770, 125,8,12,633,52352,560436,52352,633,12,18,2532, 1095488,96348384,96348384,1095488,2532,18,27, 10288,20725780,10716259649] |