n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 8 |
4 | 15 |
5 | 624 |
6 | 35 |
7 | 117648 |
8 | 4095 |
9 | 531440 |
10 | 9999 |
11 | 25937424600 |
12 | 20735 |
13 | 23298085122480 |
14 | 7529535 |
15 | 2562890624 |
16 | 4294967295 |
17 | 48661191875666868480 |
18 | 34012223 |
19 | 104127350297911241532840 |
20 | 25599999999 |
21 | 7355827511386640 |
22 | 26559922791423 |
23 | 907846434775996175406740561328 |
24 | 110075314175 |
[0,1,8,15,624,35,117648,4095,531440,9999, 25937424600,20735,23298085122480,7529535, 2562890624,4294967295,48661191875666868480, 34012223,104127350297911241532840,25599999999, 7355827511386640,26559922791423, 907846434775996175406740561328,110075314175] |