n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 39 |
4 | 139 |
5 | 495 |
6 | 1763 |
7 | 6279 |
8 | 22363 |
9 | 79647 |
10 | 283667 |
11 | 1010295 |
12 | 3598219 |
13 | 12815247 |
14 | 45642179 |
15 | 162557031 |
16 | 578955451 |
17 | 2061980415 |
18 | 7343852147 |
19 | 26155517271 |
20 | 93154256107 |
21 | 331773802863 |
22 | 1181629920803 |
23 | 4208437368135 |
[1,3,11,39,139,495,1763,6279,22363,79647,283667, 1010295,3598219,12815247,45642179,162557031, 578955451,2061980415,7343852147,26155517271, 93154256107,331773802863,1181629920803, 4208437368135] |