n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 13 |
5 | 34 |
6 | 81 |
7 | 175 |
8 | 403 |
9 | 890 |
10 | 1977 |
11 | 4262 |
12 | 9356 |
13 | 19963 |
14 | 42573 |
15 | 90865 |
16 | 191206 |
17 | 401803 |
18 | 837898 |
19 | 1744231 |
20 | 3607504 |
21 | 7436628 |
22 | 15254309 |
23 | 31185686 |
24 | 63552725 |
25 | 128963236 |
26 | 260933000 |
27 | 526140540 |
28 | 1057927323 |
29 | 2120500885 |
30 | 4239012067 |
31 | 8449746787 |
32 | 16799938614 |
[1,1,2,7,13,34,81,175,403,890,1977,4262,9356, 19963,42573,90865,191206,401803,837898,1744231, 3607504,7436628,15254309,31185686,63552725, 128963236,260933000,526140540,1057927323, 2120500885,4239012067,8449746787,16799938614] |