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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 28 |
| 4 | 22 |
| 5 | 261 |
| 6 | 258 |
| 7 | 2196 |
| 8 | 2164 |
| 9 | 17255 |
| 10 | 18175 |
| 11 | 133071 |
| 12 | 147986 |
[2,2,28,22,261,258,2196,2164,17255,18175,133071, 147986] |