n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 30 |
5 | 105 |
6 | 382 |
7 | 1429 |
8 | 5463 |
9 | 21248 |
10 | 83813 |
11 | 334485 |
12 | 1348102 |
13 | 5479366 |
14 | 22433934 |
15 | 92437445 |
16 | 383026643 |
17 | 1595053047 |
18 | 6672007021 |
19 | 28020635404 |
20 | 118106170713 |
21 | 499454897337 |
22 | 2118477808719 |
23 | 9010443044061 |
24 | 38420834606794 |
25 | 164210479691902 |
26 | 703352241046710 |
27 | 3018668702116310 |
28 | 12979807315841432 |
29 | 55908387904005714 |
[1,1,3,9,30,105,382,1429,5463,21248,83813,334485, 1348102,5479366,22433934,92437445,383026643, 1595053047,6672007021,28020635404,118106170713, 499454897337,2118477808719,9010443044061, 38420834606794,164210479691902,703352241046710, 3018668702116310,12979807315841432, 55908387904005714] |