n | a(n) |
---|---|
0 | 1 |
1 | -48 |
2 | 1080 |
3 | -15040 |
4 | 143820 |
5 | -985824 |
6 | 4857920 |
7 | -16295040 |
8 | 28412910 |
9 | 38671600 |
10 | -424520544 |
11 | 1268350272 |
12 | -1211937160 |
13 | -4306546080 |
14 | 18293091840 |
15 | -23522231424 |
16 | -26299018683 |
17 | 137218594320 |
18 | -150999182320 |
19 | -134713340160 |
[1,-48,1080,-15040,143820,-985824,4857920, -16295040,28412910,38671600,-424520544,1268350272, -1211937160,-4306546080,18293091840,-23522231424, -26299018683,137218594320,-150999182320, -134713340160] |