n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -3 |
3 | 12 |
4 | -55 |
5 | 273 |
6 | -1428 |
7 | 7752 |
8 | -43263 |
9 | 246675 |
10 | -1430715 |
11 | 8414640 |
12 | -50067108 |
13 | 300830572 |
14 | -1822766520 |
15 | 11124755664 |
16 | -68328754959 |
17 | 422030545335 |
18 | -2619631042665 |
19 | 16332922290300 |
20 | -102240109897695 |
21 | 642312451217745 |
22 | -4048514844039120 |
23 | 25594403741131680 |
[0,1,-3,12,-55,273,-1428,7752,-43263,246675, -1430715,8414640,-50067108,300830572,-1822766520, 11124755664,-68328754959,422030545335, -2619631042665,16332922290300,-102240109897695, 642312451217745,-4048514844039120, 25594403741131680] |