n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 11 |
5 | 43 |
6 | 183 |
7 | 815 |
8 | 3749 |
9 | 17693 |
10 | 85161 |
11 | 416451 |
12 | 2063255 |
13 | 10334187 |
14 | 52241811 |
15 | 266203487 |
16 | 1365869249 |
17 | 7050739841 |
18 | 36591914977 |
19 | 190811893315 |
20 | 999264296139 |
21 | 5253232501219 |
22 | 27713207861343 |
23 | 146664411527631 |
24 | 778434156770069 |
[1,1,3,11,43,183,815,3749,17693,85161,416451, 2063255,10334187,52241811,266203487,1365869249, 7050739841,36591914977,190811893315,999264296139, 5253232501219,27713207861343,146664411527631, 778434156770069] |