n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 16 |
6 | 58 |
7 | 222 |
8 | 869 |
9 | 3438 |
10 | 13672 |
11 | 54518 |
12 | 217706 |
13 | 870036 |
14 | 3478446 |
15 | 13910128 |
16 | 55632657 |
17 | 222513784 |
18 | 890019102 |
19 | 3559999490 |
20 | 14239834188 |
21 | 56958988812 |
22 | 227835217794 |
23 | 911339311462 |
24 | 3645353954182 |
25 | 14581408883620 |
[1,1,2,5,16,58,222,869,3438,13672,54518,217706, 870036,3478446,13910128,55632657,222513784, 890019102,3559999490,14239834188,56958988812, 227835217794,911339311462,3645353954182, 14581408883620] |