n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 5 |
5 | 22 |
6 | 122 |
7 | 787 |
8 | 5852 |
9 | 49330 |
10 | 465112 |
11 | 4850460 |
12 | 55433829 |
13 | 688963306 |
14 | 9251792972 |
15 | 133490155743 |
16 | 2059562402902 |
17 | 33835668047686 |
18 | 589707357402530 |
19 | 10867464157846629 |
20 | 211139303638163096 |
21 | 4313274345751046120 |
[1,0,0,1,5,22,122,787,5852,49330,465112,4850460, 55433829,688963306,9251792972,133490155743, 2059562402902,33835668047686,589707357402530, 10867464157846629,211139303638163096, 4313274345751046120] |