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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 43 |
| 2 | 1806 |
| 3 | 75852 |
| 4 | 3185784 |
| 5 | 133802928 |
| 6 | 5619722976 |
| 7 | 236028364089 |
| 8 | 9913191253812 |
| 9 | 416354031068115 |
| 10 | 17486869237997292 |
| 11 | 734448505187617668 |
| 12 | 30846837099932661024 |
| 13 | 1295567153243385959664 |
| 14 | 54413820228163207379946 |
[1,43,1806,75852,3185784,133802928,5619722976, 236028364089,9913191253812,416354031068115, 17486869237997292,734448505187617668, 30846837099932661024,1295567153243385959664, 54413820228163207379946] |