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| n | a(n) |
|---|---|
| 3 | 11 |
| 4 | 210 |
| 5 | 87 |
| 6 | 228 |
| 7 | 1155 |
| 8 | 7854 |
| 9 | 66612 |
| 10 | 395646 |
| 11 | 2193303 |
| 12 | 8389010 |
| 13 | 122574155 |
| 14 | 630341910 |
| 15 | 6066475415 |
[11,210,87,228,1155,7854,66612,395646,2193303, 8389010,122574155,630341910,6066475415] |