n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -15 |
3 | -297 |
4 | -6783 |
5 | -70609 |
6 | 18558705 |
7 | 4027228359 |
8 | 727421677185 |
9 | 134584692783455 |
10 | 26232888936219249 |
11 | 5245335359878123191 |
12 | 971782758809341914369 |
13 | 96545317222649153850767 |
[1,-1,-15,-297,-6783,-70609,18558705,4027228359, 727421677185,134584692783455,26232888936219249, 5245335359878123191,971782758809341914369, 96545317222649153850767] |