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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 18 |
| 3 | 44 |
| 4 | 60 |
| 5 | 80 |
| 6 | 123 |
| 7 | 429 |
| 8 | 1166 |
| 9 | 2065 |
| 10 | 8774 |
| 11 | 35340 |
| 12 | 42968 |
| 13 | 50312 |
| 14 | 210129 |
[1,18,44,60,80,123,429,1166,2065,8774,35340,42968, 50312,210129] |