n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 2 |
4 | 4 |
5 | 4 |
6 | 12 |
7 | 8 |
8 | 44 |
9 | 32 |
10 | 228 |
11 | 148 |
12 | 1632 |
13 | 912 |
14 | 16004 |
15 | 8420 |
16 | 213680 |
17 | 101508 |
18 | 3933380 |
19 | 1691008 |
20 | 98949060 |
21 | 38742844 |
22 | 3413919788 |
23 | 1213540776 |
24 | 161410887252 |
25 | 52106993880 |
[1,2,2,4,4,12,8,44,32,228,148,1632,912,16004,8420, 213680,101508,3933380,1691008,98949060,38742844, 3413919788,1213540776,161410887252,52106993880] |