n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 9 |
7 | 18 |
8 | 36 |
9 | 73 |
10 | 146 |
11 | 292 |
12 | 585 |
13 | 1170 |
14 | 2340 |
15 | 4681 |
16 | 9362 |
17 | 18724 |
18 | 37449 |
19 | 74898 |
20 | 149796 |
21 | 299593 |
22 | 599186 |
23 | 1198372 |
24 | 2396745 |
25 | 4793490 |
26 | 9586980 |
27 | 19173961 |
28 | 38347922 |
29 | 76695844 |
30 | 153391689 |
31 | 306783378 |
32 | 613566756 |
33 | 1227133513 |
34 | 2454267026 |
35 | 4908534052 |
[0,0,0,1,2,4,9,18,36,73,146,292,585,1170,2340, 4681,9362,18724,37449,74898,149796,299593,599186, 1198372,2396745,4793490,9586980,19173961,38347922, 76695844,153391689,306783378,613566756,1227133513, 2454267026,4908534052] |