n | a(n) |
---|---|
2 | 1 |
3 | 57 |
4 | 2850 |
5 | 140050 |
6 | 6865251 |
7 | 336416907 |
8 | 16484565700 |
9 | 807744680100 |
10 | 39579496050501 |
11 | 1939395353553757 |
12 | 95030372653688550 |
13 | 4656488262337620150 |
14 | 228167924870691555751 |
15 | 11180228318776923410607 |
16 | 547831187620860507371400 |
[1,57,2850,140050,6865251,336416907,16484565700, 807744680100,39579496050501,1939395353553757, 95030372653688550,4656488262337620150, 228167924870691555751,11180228318776923410607, 547831187620860507371400] |