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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 12 |
| 5 | 24 |
| 6 | 45 |
| 7 | 57 |
| 8 | 71 |
| 9 | 171 |
| 10 | 162 |
| 11 | 294 |
| 12 | 526 |
| 13 | 634 |
| 14 | 774 |
| 15 | 1965 |
| 16 | 1306 |
| 17 | 2739 |
| 18 | 4924 |
[1,4,9,12,24,45,57,71,171,162,294,526,634,774, 1965,1306,2739,4924] |