n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 1338 |
4 | 209079 |
5 | 63406701 |
6 | 33142617807 |
7 | 27492398898930 |
8 | 34056987326957589 |
9 | 60130947572363390910 |
10 | 145825864087539572389710 |
[1,20,1338,209079,63406701,33142617807, 27492398898930,34056987326957589, 60130947572363390910,145825864087539572389710] |