n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 26 |
6 | 153 |
7 | 1159 |
8 | 10787 |
9 | 118990 |
10 | 1514889 |
11 | 21829045 |
12 | 350831856 |
13 | 6217711541 |
14 | 120414106210 |
15 | 2529280077269 |
16 | 57262796466087 |
17 | 1389919284470906 |
18 | 36003846648705324 |
19 | 991298773140316816 |
20 | 28907953199669176721 |
21 | 890060047425265014457 |
22 | 28852689090331738589427 |
[1,1,2,6,26,153,1159,10787,118990,1514889, 21829045,350831856,6217711541,120414106210, 2529280077269,57262796466087,1389919284470906, 36003846648705324,991298773140316816, 28907953199669176721,890060047425265014457, 28852689090331738589427] |