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| n | a(n) |
|---|---|
| 1 | 2172 |
| 2 | 15246 |
| 3 | 15246 |
| 4 | 117100 |
| 5 | 188296 |
| 6 | 117100 |
| 7 | 922890 |
| 8 | 2723490 |
| 9 | 2723490 |
| 10 | 922890 |
| 11 | 7415658 |
| 12 | 41025310 |
| 13 | 78070792 |
| 14 | 41025310 |
| 15 | 7415658 |
| 16 | 60395332 |
| 17 | 641763520 |
| 18 | 2371536636 |
| 19 | 2371536636 |
| 20 | 641763520 |
| 21 | 60395332 |
| 22 | 495518534 |
| 23 | 10250030572 |
[2172,15246,15246,117100,188296,117100,922890, 2723490,2723490,922890,7415658,41025310,78070792, 41025310,7415658,60395332,641763520,2371536636, 2371536636,641763520,60395332,495518534, 10250030572] |