n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 9 |
5 | 18 |
6 | 39 |
7 | 77 |
8 | 160 |
9 | 331 |
10 | 675 |
11 | 1394 |
12 | 2871 |
13 | 5899 |
14 | 12168 |
15 | 25047 |
16 | 51585 |
17 | 106316 |
18 | 219047 |
19 | 451361 |
20 | 930512 |
21 | 1917713 |
22 | 3953407 |
23 | 8150624 |
24 | 16804773 |
25 | 34649369 |
26 | 71453844 |
27 | 147346015 |
28 | 303878941 |
29 | 626728864 |
30 | 1292649339 |
31 | 2666247721 |
[1,1,2,5,9,18,39,77,160,331,675,1394,2871,5899, 12168,25047,51585,106316,219047,451361,930512, 1917713,3953407,8150624,16804773,34649369, 71453844,147346015,303878941,626728864,1292649339, 2666247721] |