n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 131 |
4 | 43785 |
5 | 79201795 |
6 | 627974590650 |
7 | 21399815343394998 |
8 | 3132305932642809585983 |
9 | 1969210116072259125767299138 |
[1,4,131,43785,79201795,627974590650, 21399815343394998,3132305932642809585983, 1969210116072259125767299138] |