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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 163 |
| 4 | 7295 |
| 5 | 497193 |
| 6 | 46629734 |
| 7 | 5701678075 |
| 8 | 878881320340 |
| 9 | 166768493380169 |
| 10 | 38240722520600933 |
| 11 | 10435986606153478637 |
| 12 | 3345526178030524399987 |
| 13 | 1245613832452691368917233 |
| 14 | 533281483558996002057816770 |
| 15 | 260228921614773660248756394778 |
| 16 | 143609349303434423698940591120719 |
[1,1,7,163,7295,497193,46629734,5701678075, 878881320340,166768493380169,38240722520600933, 10435986606153478637,3345526178030524399987, 1245613832452691368917233, 533281483558996002057816770, 260228921614773660248756394778, 143609349303434423698940591120719] |