n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 19 |
4 | 62 |
5 | 207 |
6 | 703 |
7 | 2417 |
8 | 8382 |
9 | 29242 |
10 | 102431 |
11 | 359790 |
12 | 1266103 |
13 | 4460939 |
14 | 15730497 |
15 | 55500634 |
16 | 195890270 |
17 | 691566411 |
18 | 2441886670 |
19 | 8623112591 |
20 | 30453261927 |
21 | 107553444913 |
22 | 379864424726 |
23 | 1341658806066 |
24 | 4738726458775 |
[1,2,6,19,62,207,703,2417,8382,29242,102431, 359790,1266103,4460939,15730497,55500634, 195890270,691566411,2441886670,8623112591, 30453261927,107553444913,379864424726, 1341658806066,4738726458775] |