n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 15 |
4 | 138 |
5 | 2021 |
6 | 43581 |
7 | 1295493 |
8 | 50752145 |
9 | 2533755933 |
10 | 157055247261 |
11 | 11836611005031 |
12 | 1066129321651668 |
13 | 113117849882149725 |
14 | 13965580274228976213 |
15 | 1985189312618723797371 |
16 | 321932406123733248625851 |
17 | 59079829666712346141491403 |
18 | 12182062872168618012045410805 |
[1,1,3,15,138,2021,43581,1295493,50752145, 2533755933,157055247261,11836611005031, 1066129321651668,113117849882149725, 13965580274228976213,1985189312618723797371, 321932406123733248625851, 59079829666712346141491403, 12182062872168618012045410805] |