n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 35 |
5 | 126 |
6 | 462 |
7 | 1716 |
8 | 6435 |
9 | 24310 |
10 | 92378 |
11 | 352705 |
12 | 1351934 |
13 | 5199117 |
14 | 20050460 |
15 | 77512860 |
16 | 300292131 |
17 | 1165534689 |
18 | 4531337778 |
19 | 17642948675 |
20 | 68785126410 |
21 | 268497991905 |
22 | 1049210943531 |
23 | 4104103226699 |
24 | 16068342973950 |
25 | 62963565243876 |
26 | 246913415221671 |
[1,1,3,10,35,126,462,1716,6435,24310,92378,352705, 1351934,5199117,20050460,77512860,300292131, 1165534689,4531337778,17642948675,68785126410, 268497991905,1049210943531,4104103226699, 16068342973950,62963565243876,246913415221671] |