n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 48 |
5 | 256 |
6 | 1280 |
7 | 6912 |
8 | 39424 |
9 | 212992 |
10 | 1118208 |
11 | 6553600 |
12 | 36765696 |
13 | 199229440 |
14 | 1133117440 |
15 | 6499598336 |
16 | 36175872000 |
17 | 200655503360 |
18 | 1167945891840 |
19 | 6620826304512 |
20 | 36681168191488 |
21 | 212364657950720 |
22 | 1219998345330688 |
23 | 6864598984556544 |
24 | 38958828003262464 |
25 | 226089827240509440 |
26 | 1287455960675123200 |
[1,2,8,48,256,1280,6912,39424,212992,1118208, 6553600,36765696,199229440,1133117440,6499598336, 36175872000,200655503360,1167945891840, 6620826304512,36681168191488,212364657950720, 1219998345330688,6864598984556544, 38958828003262464,226089827240509440, 1287455960675123200] |