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n | a(n) |
---|---|
0 | 11 |
1 | 1 |
2 | 81 |
3 | 391 |
4 | 3561 |
5 | 25531 |
6 | 199821 |
7 | 1511931 |
8 | 11589281 |
9 | 88389661 |
10 | 675443291 |
11 | 5157630831 |
12 | 39394699881 |
13 | 300868345701 |
14 | 2297915763861 |
15 | 17550293888221 |
16 | 134040955378561 |
17 | 1023739686467981 |
18 | 7818833928607761 |
19 | 59716490127924211 |
20 | 456085875187977011 |
21 | 3483364700645591901 |
[11,1,81,391,3561,25531,199821,1511931,11589281, 88389661,675443291,5157630831,39394699881, 300868345701,2297915763861,17550293888221, 134040955378561,1023739686467981,7818833928607761, 59716490127924211,456085875187977011, 3483364700645591901] |