n | a(n) |
---|---|
3 | 6 |
4 | 24 |
5 | 120 |
6 | 12 |
7 | 28 |
8 | 96 |
9 | 252 |
10 | 600 |
11 | 1364 |
12 | 3048 |
13 | 6552 |
14 | 13804 |
15 | 29040 |
16 | 59520 |
17 | 122400 |
18 | 248472 |
19 | 504868 |
20 | 1017840 |
21 | 2054388 |
22 | 4126100 |
23 | 8294444 |
24 | 16628160 |
25 | 33349800 |
26 | 66784536 |
[6,24,120,12,28,96,252,600,1364,3048,6552,13804, 29040,59520,122400,248472,504868,1017840,2054388, 4126100,8294444,16628160,33349800,66784536] |