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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 118 |
| 4 | 136 |
| 5 | 315 |
| 6 | 3727 |
| 7 | 3763 |
| 8 | 15503 |
| 9 | 153396 |
| 10 | 156559 |
| 11 | 984404 |
| 12 | 1119377 |
[1,4,118,136,315,3727,3763,15503,153396,156559, 984404,1119377] |