n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 5 |
3 | 5 |
4 | 25 |
5 | 49 |
6 | 150 |
7 | 365 |
8 | 990 |
9 | 2550 |
10 | 6726 |
11 | 17550 |
12 | 46015 |
13 | 120390 |
14 | 315275 |
15 | 825299 |
16 | 2160775 |
17 | 5656855 |
18 | 14809980 |
19 | 38772875 |
20 | 101508876 |
21 | 265753500 |
22 | 695751900 |
23 | 1821501900 |
24 | 4768754125 |
25 | 12484760124 |
26 | 32685526625 |
27 | 85571819345 |
28 | 224029931845 |
29 | 586517975725 |
30 | 1535523995826 |
31 | 4020054011225 |
32 | 10524638038410 |
[1,0,5,5,25,49,150,365,990,2550,6726,17550,46015, 120390,315275,825299,2160775,5656855,14809980, 38772875,101508876,265753500,695751900,1821501900, 4768754125,12484760124,32685526625,85571819345, 224029931845,586517975725,1535523995826, 4020054011225,10524638038410] |