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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 342 |
| 2 | 29412 |
| 3 | 1143762 |
| 4 | 25727292 |
| 5 | 384468534 |
| 6 | 4175000796 |
| 7 | 35078339106 |
| 8 | 238815143406 |
| 9 | 1364497268946 |
| 10 | 6724224543708 |
| 11 | 29206656395910 |
| 12 | 113779617228060 |
| 13 | 403237594259010 |
| 14 | 1315394383751460 |
| 15 | 3988232552194662 |
[1,342,29412,1143762,25727292,384468534, 4175000796,35078339106,238815143406,1364497268946, 6724224543708,29206656395910,113779617228060, 403237594259010,1315394383751460,3988232552194662] |