n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 21 |
5 | 85 |
6 | 410 |
7 | 2366 |
8 | 16065 |
9 | 125665 |
10 | 1112074 |
11 | 10976174 |
12 | 119481285 |
13 | 1421542629 |
14 | 18348340114 |
15 | 255323504918 |
16 | 3809950976993 |
17 | 60683990530209 |
18 | 1027542662934898 |
19 | 18430998766219318 |
20 | 349096664728623317 |
21 | 6962409983976703317 |
22 | 145841989688186383338 |
23 | 3201192743180799343822 |
[1,2,6,21,85,410,2366,16065,125665,1112074, 10976174,119481285,1421542629,18348340114, 255323504918,3809950976993,60683990530209, 1027542662934898,18430998766219318, 349096664728623317,6962409983976703317, 145841989688186383338,3201192743180799343822] |