n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 7 |
4 | 17 |
5 | 40 |
6 | 94 |
7 | 222 |
8 | 526 |
9 | 1252 |
10 | 2994 |
11 | 7191 |
12 | 17343 |
13 | 41989 |
14 | 102023 |
15 | 248712 |
16 | 608168 |
17 | 1491349 |
18 | 3666685 |
19 | 9037003 |
20 | 22323243 |
21 | 55259206 |
22 | 137058248 |
23 | 340567477 |
24 | 847711177 |
25 | 2113455657 |
26 | 5277115687 |
27 | 13195311961 |
28 | 33038994039 |
29 | 82829585094 |
30 | 207905352180 |
[0,1,3,7,17,40,94,222,526,1252,2994,7191,17343, 41989,102023,248712,608168,1491349,3666685, 9037003,22323243,55259206,137058248,340567477, 847711177,2113455657,5277115687,13195311961, 33038994039,82829585094,207905352180] |