n | a(n) |
---|---|
3 | 1 |
4 | 3 |
5 | 22 |
6 | 255 |
7 | 3951 |
8 | 76468 |
9 | 1773108 |
10 | 48018645 |
11 | 1488656845 |
12 | 51989095026 |
13 | 2019934308294 |
14 | 86440374376447 |
15 | 4040615973961035 |
16 | 204882667497974040 |
17 | 11202622636253431336 |
18 | 657174516317371860777 |
19 | 41178215707421481322713 |
[1,3,22,255,3951,76468,1773108,48018645, 1488656845,51989095026,2019934308294, 86440374376447,4040615973961035, 204882667497974040,11202622636253431336, 657174516317371860777,41178215707421481322713] |