n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 15 |
6 | 56 |
7 | 210 |
8 | 330 |
9 | 1287 |
10 | 2002 |
11 | 8008 |
12 | 31824 |
13 | 50388 |
14 | 203490 |
15 | 319770 |
16 | 1307504 |
17 | 2042975 |
18 | 8436285 |
19 | 34597290 |
20 | 54627300 |
21 | 225792840 |
22 | 354817320 |
23 | 1476337800 |
24 | 6107086800 |
25 | 9669554100 |
26 | 40225345056 |
27 | 63432274896 |
28 | 265182149218 |
29 | 416714805914 |
30 | 1749695026860 |
[1,2,3,10,15,56,210,330,1287,2002,8008,31824, 50388,203490,319770,1307504,2042975,8436285, 34597290,54627300,225792840,354817320,1476337800, 6107086800,9669554100,40225345056,63432274896, 265182149218,416714805914,1749695026860] |