n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 35 |
5 | 126 |
6 | 462 |
7 | 1716 |
8 | 6435 |
9 | 24310 |
10 | 92368 |
11 | 352595 |
12 | 1351142 |
13 | 5194385 |
14 | 20024980 |
15 | 77384340 |
16 | 299671971 |
17 | 1162635441 |
18 | 4518099300 |
19 | 17583582225 |
20 | 68522664400 |
21 | 267350823015 |
22 | 1044243559263 |
23 | 4082760176300 |
24 | 15977236602150 |
25 | 62576817828876 |
26 | 245279492151021 |
[1,3,10,35,126,462,1716,6435,24310,92368,352595, 1351142,5194385,20024980,77384340,299671971, 1162635441,4518099300,17583582225,68522664400, 267350823015,1044243559263,4082760176300, 15977236602150,62576817828876,245279492151021] |