n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 42 |
4 | 157 |
5 | 588 |
6 | 2204 |
7 | 8259 |
8 | 30949 |
9 | 115977 |
10 | 434606 |
11 | 1628619 |
12 | 6103000 |
13 | 22870056 |
14 | 85702025 |
15 | 321155187 |
16 | 1203479779 |
17 | 4509855786 |
18 | 16899992477 |
19 | 63330128340 |
20 | 237319937332 |
21 | 889320046107 |
22 | 3332590398005 |
23 | 12488371098225 |
24 | 46798254229006 |
25 | 175369276077483 |
[1,3,11,42,157,588,2204,8259,30949,115977,434606, 1628619,6103000,22870056,85702025,321155187, 1203479779,4509855786,16899992477,63330128340, 237319937332,889320046107,3332590398005, 12488371098225,46798254229006,175369276077483] |