n | a(n) |
---|---|
5 | 1 |
6 | -120 |
7 | 7020 |
8 | -266560 |
9 | 7379190 |
10 | -158562144 |
11 | 2748847640 |
12 | -39443189760 |
13 | 476711357265 |
14 | -4910778324400 |
15 | 43440479153652 |
16 | -331129448133120 |
17 | 2173189785854230 |
18 | -12199334429782080 |
19 | 57636170473930920 |
20 | -220943909849546752 |
21 | 623388743422483500 |
[1,-120,7020,-266560,7379190,-158562144, 2748847640,-39443189760,476711357265, -4910778324400,43440479153652,-331129448133120, 2173189785854230,-12199334429782080, 57636170473930920,-220943909849546752, 623388743422483500] |