n | a(n) |
---|---|
1 | 1 |
2 | 131 |
3 | 2577 |
4 | 23723 |
5 | 141694 |
6 | 636426 |
7 | 2331462 |
8 | 7323954 |
9 | 20396871 |
10 | 51550213 |
11 | 120271151 |
12 | 262391493 |
13 | 540659756 |
14 | 1060489444 |
15 | 1992739932 |
16 | 3605846676 |
17 | 6310148349 |
18 | 10717864983 |
19 | 17722868317 |
20 | 28605158351 |
21 | 45165823626 |
22 | 69899222030 |
23 | 106210179010 |
24 | 158685165990 |
[1,131,2577,23723,141694,636426,2331462,7323954, 20396871,51550213,120271151,262391493,540659756, 1060489444,1992739932,3605846676,6310148349, 10717864983,17722868317,28605158351,45165823626, 69899222030,106210179010,158685165990] |