n | a(n) |
---|---|
8 | 1 |
9 | 70 |
10 | 2408 |
11 | 61712 |
12 | 1377600 |
13 | 28663040 |
14 | 574139904 |
15 | 11259283200 |
16 | 218198045184 |
17 | 4201424145408 |
18 | 80643838062592 |
19 | 1546163834421248 |
20 | 29648492642205696 |
21 | 569064815285895168 |
22 | 10938353882330562560 |
23 | 210623966993992122368 |
24 | 4063570313100983795712 |
25 | 78558517204195934732288 |
26 | 1521880839150792578433024 |
[1,70,2408,61712,1377600,28663040,574139904, 11259283200,218198045184,4201424145408, 80643838062592,1546163834421248,29648492642205696, 569064815285895168,10938353882330562560, 210623966993992122368,4063570313100983795712, 78558517204195934732288,1521880839150792578433024] |