n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 28 |
4 | 140 |
5 | 270 |
6 | 672 |
7 | 2970 |
8 | 8190 |
9 | 30240 |
10 | 332640 |
11 | 2178540 |
12 | 2457000 |
13 | 11981970 |
14 | 14303520 |
15 | 17428320 |
16 | 27027000 |
17 | 163390500 |
18 | 164989440 |
19 | 191711520 |
20 | 513513000 |
21 | 1307124000 |
22 | 2144862720 |
23 | 2701389600 |
24 | 3506025600 |
25 | 5943057120 |
26 | 13584130560 |
27 | 14378364000 |
28 | 29715285600 |
29 | 45578332800 |
[1,6,28,140,270,672,2970,8190,30240,332640, 2178540,2457000,11981970,14303520,17428320, 27027000,163390500,164989440,191711520,513513000, 1307124000,2144862720,2701389600,3506025600, 5943057120,13584130560,14378364000,29715285600, 45578332800] |