n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 5 |
6 | 10 |
7 | 35 |
8 | 140 |
9 | 126 |
10 | 1260 |
11 | 1155 |
12 | 13860 |
13 | 12870 |
14 | 12012 |
15 | 45045 |
16 | 360360 |
17 | 340340 |
18 | 2042040 |
19 | 1939938 |
20 | 369512 |
21 | 117572 |
22 | 2586584 |
23 | 7436429 |
24 | 178474296 |
25 | 171609900 |
26 | 1487285800 |
27 | 1434168450 |
28 | 40156716600 |
29 | 38818159380 |
30 | 1164544781400 |
[1,1,3,6,5,10,35,140,126,1260,1155,13860,12870, 12012,45045,360360,340340,2042040,1939938,369512, 117572,2586584,7436429,178474296,171609900, 1487285800,1434168450,40156716600,38818159380, 1164544781400] |