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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 7 |
| 4 | 95 |
| 5 | 102 |
| 6 | 197 |
| 7 | 693 |
| 8 | 39005 |
| 9 | 117708 |
| 10 | 156713 |
| 11 | 274421 |
| 12 | 3724186 |
| 13 | 3998607 |
| 14 | 7722793 |
| 15 | 27166986 |
| 16 | 1529074009 |
| 17 | 4614389013 |
| 18 | 6143463022 |
| 19 | 10757852035 |
| 20 | 145995539477 |
| 21 | 156753391512 |
| 22 | 302748930989 |
| 23 | 1065000184479 |
| 24 | 59942759261813 |
| 25 | 180893277969918 |
| 26 | 240836037231731 |
[1,3,4,7,95,102,197,693,39005,117708,156713, 274421,3724186,3998607,7722793,27166986, 1529074009,4614389013,6143463022,10757852035, 145995539477,156753391512,302748930989, 1065000184479,59942759261813,180893277969918, 240836037231731] |