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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 28 |
| 5 | 31 |
| 6 | 16 |
| 7 | 223 |
| 8 | 128 |
| 9 | 479 |
| 10 | 160 |
| 11 | 3967 |
| 12 | 3200 |
| 13 | 3839 |
| 14 | 29952 |
| 15 | 25599 |
| 16 | 32256 |
| 17 | 200703 |
| 18 | 221184 |
| 19 | 274431 |
| 20 | 819200 |
| 21 | 2011135 |
| 22 | 1327104 |
| 23 | 15724543 |
| 24 | 14405632 |
| 25 | 11714559 |
| 26 | 125648896 |
| 27 | 109117439 |
| 28 | 80707584 |
| 29 | 1063583743 |
| 30 | 1044250624 |
| 31 | 395247615 |
| 32 | 7728857088 |
| 33 | 4128505855 |
[1,1,2,3,28,31,16,223,128,479,160,3967,3200,3839, 29952,25599,32256,200703,221184,274431,819200, 2011135,1327104,15724543,14405632,11714559, 125648896,109117439,80707584,1063583743, 1044250624,395247615,7728857088,4128505855] |