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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 82 |
| 3 | 15707 |
| 4 | 5780508 |
| 5 | 3492564909 |
| 6 | 3141920941630 |
| 7 | 3940518306640919 |
| 8 | 6572348874019531544 |
| 9 | 14069656800941744522553 |
| 10 | 37604043114346899937878154 |
| 11 | 122731931429219979848941490995 |
| 12 | 480373495927931196770014698434036 |
| 13 | 2220926422746241012044033350880074661 |
[1,82,15707,5780508,3492564909,3141920941630, 3940518306640919,6572348874019531544, 14069656800941744522553, 37604043114346899937878154, 122731931429219979848941490995, 480373495927931196770014698434036, 2220926422746241012044033350880074661] |