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| n | a(n) |
|---|---|
| 13 | 3052323 |
| 14 | 186723630 |
| 15 | 7683652710 |
| 16 | 260901740745 |
| 17 | 8002149813810 |
| 18 | 231524173618290 |
| 19 | 6486876741415365 |
| 20 | 178899784802719290 |
| 21 | 4910005699045578270 |
| 22 | 135118835430805648215 |
| 23 | 3748167756629344500390 |
| 24 | 105205858082972481706290 |
| 25 | 2996195115836815163207370 |
[3052323,186723630,7683652710,260901740745, 8002149813810,231524173618290,6486876741415365, 178899784802719290,4910005699045578270, 135118835430805648215,3748167756629344500390, 105205858082972481706290, 2996195115836815163207370] |