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| n | a(n) |
|---|---|
| 10 | 102247563 |
| 11 | 7972318200 |
| 12 | 477859512889 |
| 13 | 26234041133443 |
| 14 | 1405508547112670 |
| 15 | 75638497021149062 |
| 16 | 4150321205365373610 |
| 17 | 234104217274598884642 |
| 18 | 13636766011245325587353 |
| 19 | 822369813313954835099742 |
| 20 | 51404873131596488549863350 |
| 21 | 3332014222322664690079709532 |
[102247563,7972318200,477859512889,26234041133443, 1405508547112670,75638497021149062, 4150321205365373610,234104217274598884642, 13636766011245325587353,822369813313954835099742, 51404873131596488549863350, 3332014222322664690079709532] |