n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 39 |
5 | 174 |
6 | 872 |
7 | 4805 |
8 | 28474 |
9 | 178099 |
10 | 1160173 |
11 | 7803860 |
12 | 53924841 |
13 | 381640934 |
14 | 2761331130 |
15 | 20400560942 |
16 | 153738854242 |
17 | 1180631743440 |
18 | 9229687049249 |
19 | 73372263658451 |
20 | 592476077260123 |
21 | 4854377724124700 |
22 | 40315729803287046 |
23 | 339065862485375334 |
24 | 2885324166565733641 |
[1,1,3,10,39,174,872,4805,28474,178099,1160173, 7803860,53924841,381640934,2761331130,20400560942, 153738854242,1180631743440,9229687049249, 73372263658451,592476077260123,4854377724124700, 40315729803287046,339065862485375334, 2885324166565733641] |