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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 17 |
| 3 | 769 |
| 4 | 66849 |
| 5 | 9506241 |
| 6 | 2007271089 |
| 7 | 589807203777 |
| 8 | 230194642564161 |
| 9 | 115219444193968257 |
| 10 | 71962921603647030609 |
| 11 | 54865853223458268869505 |
| 12 | 50151129904368572197783905 |
| 13 | 54139213630083955379966633025 |
[1,1,17,769,66849,9506241,2007271089,589807203777, 230194642564161,115219444193968257, 71962921603647030609,54865853223458268869505, 50151129904368572197783905, 54139213630083955379966633025] |