n | a(n) |
---|---|
1 | 2 |
2 | 11 |
3 | 39 |
4 | 136 |
5 | 494 |
6 | 1785 |
7 | 6432 |
8 | 23201 |
9 | 83695 |
10 | 301885 |
11 | 1088905 |
12 | 3927736 |
13 | 14167501 |
14 | 51102728 |
15 | 184329596 |
16 | 664884245 |
17 | 2398264069 |
18 | 8650634510 |
19 | 31203185035 |
20 | 112551137627 |
21 | 405976459392 |
22 | 1464373342374 |
23 | 5282053272285 |
24 | 19052577620620 |
[2,11,39,136,494,1785,6432,23201,83695,301885, 1088905,3927736,14167501,51102728,184329596, 664884245,2398264069,8650634510,31203185035, 112551137627,405976459392,1464373342374, 5282053272285,19052577620620] |