n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 8 |
4 | 14 |
5 | 20 |
6 | 90 |
7 | 102 |
8 | 154 |
9 | 228 |
10 | 310 |
11 | 418 |
12 | 554 |
13 | 1070 |
14 | 1224 |
15 | 3144 |
16 | 3996 |
17 | 4464 |
18 | 16194 |
19 | 17096 |
20 | 36642 |
21 | 122346 |
[2,6,8,14,20,90,102,154,228,310,418,554,1070,1224, 3144,3996,4464,16194,17096,36642,122346] |