n | a(n) |
---|---|
1 | 4 |
2 | 8 |
3 | 21 |
4 | 64 |
5 | 204 |
6 | 682 |
7 | 2340 |
8 | 8192 |
9 | 29127 |
10 | 104857 |
11 | 381300 |
12 | 1398101 |
13 | 5162220 |
14 | 19173961 |
15 | 71582788 |
16 | 268435456 |
17 | 1010580540 |
18 | 3817748707 |
19 | 14467258260 |
20 | 54975581388 |
21 | 209430786243 |
22 | 799644820200 |
23 | 3059510616420 |
24 | 11728124029610 |
[4,8,21,64,204,682,2340,8192,29127,104857,381300, 1398101,5162220,19173961,71582788,268435456, 1010580540,3817748707,14467258260,54975581388, 209430786243,799644820200,3059510616420, 11728124029610] |