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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 61 |
| 4 | 1933 |
| 5 | 158041 |
| 6 | 16465241 |
| 7 | 2606419349 |
| 8 | 539107003685 |
| 9 | 146079106941745 |
| 10 | 49518212296709809 |
| 11 | 20652025953651072109 |
| 12 | 10367691465318376289725 |
| 13 | 6173444725835144560476041 |
| 14 | 4300227332637862306820286985 |
[1,1,61,1933,158041,16465241,2606419349, 539107003685,146079106941745,49518212296709809, 20652025953651072109,10367691465318376289725, 6173444725835144560476041, 4300227332637862306820286985] |