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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 104 |
| 3 | 3739 |
| 4 | 160089 |
| 5 | 10759709 |
| 6 | 648002718 |
| 7 | 40708113490 |
| 8 | 2548695927399 |
| 9 | 159913303887571 |
| 10 | 10043292894572000 |
| 11 | 630817213769269749 |
| 12 | 39629356396091207363 |
| 13 | 2489689079190364637171 |
| 14 | 156417236131600077815031 |
[0,104,3739,160089,10759709,648002718,40708113490, 2548695927399,159913303887571,10043292894572000, 630817213769269749,39629356396091207363, 2489689079190364637171,156417236131600077815031] |