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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 425030 |
| 4 | 47432264 |
| 5 | 5361683933 |
| 6 | 584739260830 |
| 7 | 60339274001772 |
| 8 | 6102190337530204 |
| 9 | 606112878947605223 |
| 10 | 59307521367495218040 |
| 11 | 5738657604630490382819 |
| 12 | 550148810896044357410190 |
[0,0,425030,47432264,5361683933,584739260830, 60339274001772,6102190337530204, 606112878947605223,59307521367495218040, 5738657604630490382819,550148810896044357410190] |