n | a(n) |
---|---|
3 | 1 |
4 | 2 |
5 | 7 |
6 | 15 |
7 | 39 |
8 | 84 |
9 | 196 |
10 | 419 |
11 | 928 |
12 | 1965 |
13 | 4227 |
14 | 8871 |
15 | 18742 |
16 | 39032 |
17 | 81481 |
18 | 168606 |
19 | 349011 |
20 | 718371 |
21 | 1477783 |
22 | 3028412 |
23 | 6200296 |
24 | 12660171 |
25 | 25823604 |
26 | 52569417 |
27 | 106908199 |
28 | 217086287 |
29 | 440402878 |
30 | 892384788 |
31 | 1806730377 |
32 | 3654428154 |
[1,2,7,15,39,84,196,419,928,1965,4227,8871,18742, 39032,81481,168606,349011,718371,1477783,3028412, 6200296,12660171,25823604,52569417,106908199, 217086287,440402878,892384788,1806730377, 3654428154] |