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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 32 |
| 2 | 472 |
| 3 | 5720 |
| 4 | 80680 |
| 5 | 1160552 |
| 6 | 17087368 |
| 7 | 255059144 |
| 8 | 3847010920 |
| 9 | 58470091304 |
| 10 | 893868096012 |
| 11 | 13725977829244 |
| 12 | 211491017541784 |
| 13 | 3267183192531056 |
| 14 | 50573396314085242 |
| 15 | 784031120369340530 |
| 16 | 12168860465362831864 |
[1,32,472,5720,80680,1160552,17087368,255059144, 3847010920,58470091304,893868096012, 13725977829244,211491017541784,3267183192531056, 50573396314085242,784031120369340530, 12168860465362831864] |