n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 18 |
4 | 163 |
5 | 1950 |
6 | 28821 |
7 | 505876 |
8 | 10270569 |
9 | 236644092 |
10 | 6098971555 |
11 | 173823708696 |
12 | 5427760272507 |
13 | 184267682837992 |
14 | 6757353631762293 |
15 | 266191329601854000 |
16 | 11210291102456374801 |
17 | 502602430218071545104 |
18 | 23900770928782913595651 |
19 | 1201581698963550283673632 |
[1,1,3,18,163,1950,28821,505876,10270569, 236644092,6098971555,173823708696,5427760272507, 184267682837992,6757353631762293, 266191329601854000,11210291102456374801, 502602430218071545104,23900770928782913595651, 1201581698963550283673632] |