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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 855 |
| 3 | 10149 |
| 4 | 261107 |
| 5 | 7978323 |
| 6 | 203660310 |
| 7 | 5712715858 |
| 8 | 163079979478 |
| 9 | 4582023008983 |
| 10 | 129911028579192 |
| 11 | 3690421329429176 |
| 12 | 104682640490012474 |
| 13 | 2972021579031893126 |
| 14 | 84396249196438511924 |
| 15 | 2396268710215614457297 |
[13,855,10149,261107,7978323,203660310,5712715858, 163079979478,4582023008983,129911028579192, 3690421329429176,104682640490012474, 2972021579031893126,84396249196438511924, 2396268710215614457297] |