n | a(n) |
---|---|
3 | 1 |
4 | 2 |
5 | 8 |
6 | 22 |
7 | 74 |
8 | 208 |
9 | 598 |
10 | 1600 |
11 | 4248 |
12 | 10880 |
13 | 27512 |
14 | 68096 |
15 | 166528 |
16 | 401408 |
17 | 957728 |
18 | 2260992 |
19 | 5292672 |
20 | 12288000 |
21 | 28329344 |
22 | 64880640 |
23 | 147721216 |
24 | 334495744 |
25 | 753670656 |
26 | 1690304512 |
27 | 3774887936 |
28 | 8396996608 |
29 | 18610157568 |
30 | 41104179200 |
[1,2,8,22,74,208,598,1600,4248,10880,27512,68096, 166528,401408,957728,2260992,5292672,12288000, 28329344,64880640,147721216,334495744,753670656, 1690304512,3774887936,8396996608,18610157568, 41104179200] |