n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 11 |
5 | 45 |
6 | 195 |
7 | 887 |
8 | 4169 |
9 | 20093 |
10 | 98757 |
11 | 493123 |
12 | 2494491 |
13 | 12756393 |
14 | 65838591 |
15 | 342513423 |
16 | 1794185745 |
17 | 9455438585 |
18 | 50097517625 |
19 | 266696171475 |
20 | 1425833490011 |
21 | 7652256085781 |
22 | 41211824095067 |
23 | 222653745911847 |
[1,1,3,11,45,195,887,4169,20093,98757,493123, 2494491,12756393,65838591,342513423,1794185745, 9455438585,50097517625,266696171475,1425833490011, 7652256085781,41211824095067,222653745911847] |