n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 10 |
5 | 66 |
6 | 154 |
7 | 1122 |
8 | 2805 |
9 | 21505 |
10 | 55913 |
11 | 442221 |
12 | 1179256 |
13 | 9524760 |
14 | 25852920 |
15 | 211993944 |
16 | 582983346 |
17 | 4835332458 |
18 | 13431479050 |
19 | 112400272050 |
20 | 314720761740 |
21 | 2652646420380 |
22 | 7475639911980 |
23 | 63380425340700 |
24 | 179577871798650 |
25 | 1530003467724498 |
[1,1,1,5,10,66,154,1122,2805,21505,55913,442221, 1179256,9524760,25852920,211993944,582983346, 4835332458,13431479050,112400272050,314720761740, 2652646420380,7475639911980,63380425340700, 179577871798650,1530003467724498] |