n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 14 |
4 | 20 |
5 | 40 |
6 | 266 |
7 | 400 |
8 | 652 |
9 | 722 |
10 | 2026 |
11 | 2732 |
12 | 3880 |
13 | 15454 |
14 | 18508 |
15 | 21964 |
16 | 30344 |
17 | 34618 |
18 | 100984 |
19 | 341686 |
20 | 534310 |
21 | 534602 |
[2,4,14,20,40,266,400,652,722,2026,2732,3880, 15454,18508,21964,30344,34618,100984,341686, 534310,534602] |