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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 4 |
| 4 | 346 |
| 5 | 13314 |
| 6 | 1126154 |
| 7 | 235231504 |
| 8 | 93092873891 |
| 9 | 74276306711509 |
[0,3,4,346,13314,1126154,235231504,93092873891, 74276306711509] |