n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 6 |
6 | 20 |
7 | 14 |
8 | 48 |
9 | 52 |
10 | 140 |
11 | 108 |
12 | 624 |
13 | 352 |
14 | 1400 |
15 | 2172 |
16 | 4464 |
17 | 4116 |
18 | 22112 |
19 | 14602 |
20 | 68016 |
21 | 88376 |
22 | 209936 |
23 | 190746 |
24 | 1075200 |
25 | 839128 |
26 | 2797000 |
27 | 3730584 |
28 | 11276704 |
29 | 9587580 |
30 | 67195520 |
31 | 35792568 |
[1,2,3,6,6,20,14,48,52,140,108,624,352,1400,2172, 4464,4116,22112,14602,68016,88376,209936,190746, 1075200,839128,2797000,3730584,11276704,9587580, 67195520,35792568] |