n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | -40 |
3 | 672 |
4 | 8064 |
5 | -253440 |
6 | -3294720 |
7 | 153753600 |
8 | 2091048960 |
9 | -130025226240 |
10 | -1820353167360 |
11 | 141707492720640 |
12 | 2024392753152000 |
13 | -189483161695027200 |
14 | -2747505844577894400 |
15 | 300609462994993152000 |
16 | 4408938790593232896000 |
[1,-4,-40,672,8064,-253440,-3294720,153753600, 2091048960,-130025226240,-1820353167360, 141707492720640,2024392753152000, -189483161695027200,-2747505844577894400, 300609462994993152000,4408938790593232896000] |