n | a(n) |
---|---|
1 | 2 |
2 | 7 |
3 | 19 |
4 | 53 |
5 | 131 |
6 | 311 |
7 | 719 |
8 | 1619 |
9 | 3671 |
10 | 8161 |
11 | 17863 |
12 | 38873 |
13 | 84017 |
14 | 180503 |
15 | 386093 |
16 | 821641 |
17 | 1742537 |
18 | 3681131 |
19 | 7754077 |
20 | 16290047 |
21 | 34136029 |
22 | 71378569 |
23 | 148948139 |
24 | 310248241 |
25 | 645155197 |
26 | 1339484197 |
27 | 2777105129 |
28 | 5750079047 |
29 | 11891268401 |
30 | 24563311309 |
31 | 50685770167 |
32 | 104484802057 |
33 | 215187847711 |
[2,7,19,53,131,311,719,1619,3671,8161,17863,38873, 84017,180503,386093,821641,1742537,3681131, 7754077,16290047,34136029,71378569,148948139, 310248241,645155197,1339484197,2777105129, 5750079047,11891268401,24563311309,50685770167, 104484802057,215187847711] |