n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 30 |
5 | 71 |
6 | 169 |
7 | 397 |
8 | 934 |
9 | 2197 |
10 | 5165 |
11 | 12146 |
12 | 28561 |
13 | 67156 |
14 | 157907 |
15 | 371293 |
16 | 873034 |
17 | 2052795 |
18 | 4826809 |
19 | 11349443 |
20 | 26686340 |
21 | 62748517 |
22 | 147542764 |
23 | 346922420 |
24 | 815730721 |
25 | 1918055940 |
26 | 4509991465 |
27 | 10604499373 |
28 | 24934727221 |
29 | 58629889045 |
30 | 137858491849 |
[1,2,5,13,30,71,169,397,934,2197,5165,12146,28561, 67156,157907,371293,873034,2052795,4826809, 11349443,26686340,62748517,147542764,346922420, 815730721,1918055940,4509991465,10604499373, 24934727221,58629889045,137858491849] |