n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 514 |
3 | 20199 |
4 | 283370 |
5 | 2256695 |
6 | 12637956 |
7 | 55247745 |
8 | 202345886 |
9 | 644749920 |
10 | 1846772550 |
11 | 4836548836 |
12 | 11795957334 |
13 | 27022021703 |
14 | 58819382790 |
15 | 122237638440 |
16 | 244429962966 |
17 | 471615005229 |
18 | 882955864560 |
19 | 1606698758560 |
20 | 2853601781340 |
21 | 4952029001892 |
22 | 8423307325854 |
[0,1,514,20199,283370,2256695,12637956,55247745, 202345886,644749920,1846772550,4836548836, 11795957334,27022021703,58819382790,122237638440, 244429962966,471615005229,882955864560, 1606698758560,2853601781340,4952029001892, 8423307325854] |