n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 165 |
3 | 4675 |
4 | 65325 |
5 | 543456 |
6 | 3155425 |
7 | 14146210 |
8 | 52259625 |
9 | 166192975 |
10 | 469090061 |
11 | 1201490445 |
12 | 2839166005 |
13 | 6268589250 |
14 | 13060542825 |
15 | 25881747316 |
16 | 49095506065 |
17 | 89615392425 |
18 | 158091087925 |
19 | 270522770375 |
20 | 450420100221 |
21 | 731644012660 |
22 | 1162094343345 |
23 | 1808433948150 |
[1,5,165,4675,65325,543456,3155425,14146210, 52259625,166192975,469090061,1201490445, 2839166005,6268589250,13060542825,25881747316, 49095506065,89615392425,158091087925,270522770375, 450420100221,731644012660,1162094343345, 1808433948150] |