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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 232 |
| 3 | 20448 |
| 4 | 1546164 |
| 5 | 104452983 |
| 6 | 6415919752 |
| 7 | 371727892628 |
| 8 | 20600287800984 |
| 9 | 1104065179999916 |
| 10 | 57631683424913986 |
| 11 | 2945114091239324182 |
| 12 | 147893462582517217145 |
| 13 | 7318785413508975774938 |
| 14 | 357709488329762373571289 |
[0,232,20448,1546164,104452983,6415919752, 371727892628,20600287800984,1104065179999916, 57631683424913986,2945114091239324182, 147893462582517217145,7318785413508975774938, 357709488329762373571289] |