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| n | a(n) |
|---|---|
| 2 | 5 |
| 3 | 245 |
| 4 | 27 |
| 5 | 11011 |
| 6 | 20 |
| 7 | 138567 |
| 8 | 875 |
| 9 | 1834963 |
| 10 | 64827 |
| 11 | 153609433 |
| 12 | 679140 |
| 13 | 1090194825 |
| 14 | 226512 |
| 15 | 41812222997 |
| 16 | 200420649 |
| 17 | 945378466949 |
| 18 | 6213939875 |
| 19 | 7157865535471 |
| 20 | 1459710967 |
| 21 | 779542432563607 |
| 22 | 990190712160 |
| 23 | 9207723631443355 |
| 24 | 66209553337564 |
| 25 | 609237849980054157 |
| 26 | 174698555781400 |
[5,245,27,11011,20,138567,875,1834963,64827, 153609433,679140,1090194825,226512,41812222997, 200420649,945378466949,6213939875,7157865535471, 1459710967,779542432563607,990190712160, 9207723631443355,66209553337564, 609237849980054157,174698555781400] |