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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 10 |
| 3 | 41 |
| 4 | 168 |
| 5 | 8359 |
| 6 | 139430 |
| 7 | 663717 |
| 8 | 2148147364 |
| 9 | 2305843011361841315 |
| 10 | 618970021948533148811403426 |
| 11 | 162259895799235311924726821691553 |
| 12 | 170141345720365030966999228442705797280 |
[3,10,41,168,8359,139430,663717,2148147364, 2305843011361841315,618970021948533148811403426, 162259895799235311924726821691553, 170141345720365030966999228442705797280] |