n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -3 |
3 | 10 |
4 | -50 |
5 | 340 |
6 | -2888 |
7 | 29440 |
8 | -350160 |
9 | 4759760 |
10 | -72787488 |
11 | 1236761920 |
12 | -23115758720 |
13 | 471323145280 |
14 | -10410977045888 |
15 | 247656022739200 |
16 | -6312036805140480 |
17 | 171600628707334400 |
18 | -4956751714926617088 |
[0,1,-3,10,-50,340,-2888,29440,-350160,4759760, -72787488,1236761920,-23115758720,471323145280, -10410977045888,247656022739200,-6312036805140480, 171600628707334400,-4956751714926617088] |