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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 41 |
| 3 | 646 |
| 4 | 4023 |
| 5 | 50831 |
| 6 | 509018 |
| 7 | 5198997 |
| 8 | 54278107 |
| 9 | 559939403 |
| 10 | 5785336959 |
| 11 | 59865826196 |
| 12 | 618821603760 |
| 13 | 6398319110978 |
| 14 | 66160018680427 |
| 15 | 684049467447585 |
| 16 | 7072850485476387 |
| 17 | 73130794356723859 |
| 18 | 756143068281744553 |
[1,41,646,4023,50831,509018,5198997,54278107, 559939403,5785336959,59865826196,618821603760, 6398319110978,66160018680427,684049467447585, 7072850485476387,73130794356723859, 756143068281744553] |