n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 39 |
4 | 198 |
5 | 925 |
6 | 4776 |
7 | 24060 |
8 | 126487 |
9 | 661878 |
10 | 3535036 |
11 | 18912243 |
12 | 102315291 |
13 | 555380560 |
14 | 3035526926 |
15 | 16648736296 |
16 | 91744178637 |
17 | 507145996099 |
18 | 2813240191532 |
19 | 15647805585405 |
20 | 87275231793209 |
21 | 487899119884300 |
22 | 2733627777842600 |
23 | 15346333573735620 |
24 | 86314136061361379 |
25 | 486289956048585875 |
[1,2,10,39,198,925,4776,24060,126487,661878, 3535036,18912243,102315291,555380560,3035526926, 16648736296,91744178637,507145996099, 2813240191532,15647805585405,87275231793209, 487899119884300,2733627777842600, 15346333573735620,86314136061361379, 486289956048585875] |