n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 11 |
6 | 16 |
7 | 267 |
8 | 1065 |
9 | 19903 |
10 | 104746 |
11 | 1573793 |
12 | 12578996 |
13 | 205121853 |
14 | 1990385853 |
15 | 32319626874 |
16 | 393527589993 |
17 | 6919744504223 |
18 | 97252257461602 |
19 | 1798166346001065 |
20 | 29231264630113542 |
21 | 582578028537996411 |
[0,1,1,1,11,16,267,1065,19903,104746,1573793, 12578996,205121853,1990385853,32319626874, 393527589993,6919744504223,97252257461602, 1798166346001065,29231264630113542, 582578028537996411] |