n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 30 |
6 | 98 |
7 | 330 |
8 | 1122 |
9 | 3826 |
10 | 13058 |
11 | 44578 |
12 | 152194 |
13 | 519618 |
14 | 1774082 |
15 | 6057090 |
16 | 20680194 |
17 | 70606594 |
18 | 241065986 |
19 | 823050754 |
20 | 2810071042 |
21 | 9594182658 |
22 | 32756588546 |
23 | 111837988866 |
24 | 381838778370 |
25 | 1303679135746 |
26 | 4451038986242 |
[1,2,4,10,30,98,330,1122,3826,13058,44578,152194, 519618,1774082,6057090,20680194,70606594, 241065986,823050754,2810071042,9594182658, 32756588546,111837988866,381838778370, 1303679135746,4451038986242] |