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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 5 |
| 2 | 17 |
| 3 | 195 |
| 4 | 4369 |
| 5 | 158875 |
| 6 | 8493081 |
| 7 | 626349395 |
| 8 | 60921163553 |
| 9 | 7555181167755 |
| 10 | 1163556514166185 |
| 11 | 217865966280741955 |
| 12 | 48740349457479955377 |
| 13 | 12839917161220487631995 |
| 14 | 3934089704476487908489529 |
[0,5,17,195,4369,158875,8493081,626349395, 60921163553,7555181167755,1163556514166185, 217865966280741955,48740349457479955377, 12839917161220487631995,3934089704476487908489529] |