n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 2 |
4 | 24 |
5 | 2 |
6 | 50 |
7 | 6 |
8 | 26 |
9 | 14 |
10 | 306 |
11 | 86 |
12 | 846 |
13 | 104 |
14 | 1832 |
15 | 272 |
16 | 2222 |
17 | 2540 |
18 | 884 |
19 | 5474 |
20 | 1950 |
21 | 28358 |
22 | 13338 |
23 | 76740 |
[2,2,2,24,2,50,6,26,14,306,86,846,104,1832,272, 2222,2540,884,5474,1950,28358,13338,76740] |