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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 61 |
| 4 | 1241 |
| 5 | 35321 |
| 6 | 1293565 |
| 7 | 57977333 |
| 8 | 3074915569 |
| 9 | 188387127793 |
| 10 | 13093624617781 |
| 11 | 1018008272854189 |
| 12 | 87546809210311753 |
| 13 | 8251472362124225001 |
| 14 | 845856237057331033773 |
| 15 | 93695948684292621079141 |
| 16 | 11153023640354668717741793 |
| 17 | 1419786005695986152133964769 |
[1,1,5,61,1241,35321,1293565,57977333,3074915569, 188387127793,13093624617781,1018008272854189, 87546809210311753,8251472362124225001, 845856237057331033773,93695948684292621079141, 11153023640354668717741793, 1419786005695986152133964769] |