n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 11 |
5 | 43 |
6 | 183 |
7 | 813 |
8 | 3731 |
9 | 17563 |
10 | 84303 |
11 | 411093 |
12 | 2030833 |
13 | 10141953 |
14 | 51117801 |
15 | 259695379 |
16 | 1328454221 |
17 | 6836777765 |
18 | 35373248213 |
19 | 183892104895 |
20 | 960066929119 |
21 | 5031617143079 |
22 | 26462109374051 |
23 | 139609962072913 |
24 | 738695107457919 |
[1,1,3,11,43,183,813,3731,17563,84303,411093, 2030833,10141953,51117801,259695379,1328454221, 6836777765,35373248213,183892104895,960066929119, 5031617143079,26462109374051,139609962072913, 738695107457919] |