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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 8 |
| 3 | 10 |
| 4 | 170 |
| 5 | 24 |
| 6 | 1520 |
| 7 | 3482 |
| 8 | 48 |
| 9 | 530 |
| 10 | 48842 |
| 11 | 3480 |
| 12 | 80 |
| 13 | 82 |
| 14 | 227528 |
| 15 | 962 |
| 16 | 4730624 |
| 17 | 10610 |
| 18 | 77563250 |
| 19 | 1728148040 |
| 20 | 64080026 |
| 21 | 168 |
| 22 | 4190210 |
| 23 | 8994000 |
| 24 | 16266196520 |
| 25 | 278354373650 |
| 26 | 224 |
| 27 | 226 |
| 28 | 6195120 |
| 29 | 3674890 |
| 30 | 139128 |
| 31 | 115974983600 |
| 32 | 138274082 |
[2,8,10,170,24,1520,3482,48,530,48842,3480,80,82, 227528,962,4730624,10610,77563250,1728148040, 64080026,168,4190210,8994000,16266196520, 278354373650,224,226,6195120,3674890,139128, 115974983600,138274082] |