n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 507 |
4 | 19552 |
5 | 1113485 |
6 | 88725876 |
7 | 9452410135 |
8 | 1299140690912 |
9 | 223938108997497 |
10 | 47323772172058420 |
11 | 12033854264863090451 |
12 | 3625294706255832787200 |
13 | 1276951433895343148472517 |
[1,20,507,19552,1113485,88725876,9452410135, 1299140690912,223938108997497,47323772172058420, 12033854264863090451,3625294706255832787200, 1276951433895343148472517] |