Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | -3 |
4 | 16 |
5 | -50 |
6 | 440 |
7 | -2856 |
8 | 30896 |
9 | -291528 |
10 | 3760768 |
11 | -47794120 |
12 | 742773920 |
13 | -11810509776 |
14 | 214335913584 |
15 | -4059112319640 |
16 | 84773616869376 |
17 | -1860974227719872 |
18 | 44081861972926464 |
19 | -1097880401356246656 |
20 | 29109695232734355712 |
21 | -810074412297240074880 |
[0,0,2,-3,16,-50,440,-2856,30896,-291528,3760768, -47794120,742773920,-11810509776,214335913584, -4059112319640,84773616869376,-1860974227719872, 44081861972926464,-1097880401356246656, 29109695232734355712,-810074412297240074880] |