n | a(n) |
---|---|
1 | 1 |
2 | -3 |
3 | -6 |
4 | 0 |
5 | -15 |
6 | 21 |
7 | -28 |
8 | 0 |
9 | 0 |
10 | 55 |
11 | -66 |
12 | 0 |
13 | -91 |
14 | 105 |
15 | 120 |
16 | 0 |
17 | -153 |
18 | 0 |
19 | -190 |
20 | 0 |
21 | 231 |
22 | 253 |
23 | -276 |
24 | 0 |
25 | 0 |
26 | 351 |
27 | 0 |
28 | 0 |
29 | -435 |
30 | -465 |
31 | -496 |
32 | 0 |
33 | 561 |
34 | 595 |
35 | 630 |
36 | 0 |
37 | -703 |
38 | 741 |
39 | 780 |
40 | 0 |
41 | -861 |
42 | -903 |
43 | -946 |
44 | 0 |
45 | 0 |
46 | 1081 |
47 | -1128 |
48 | 0 |
49 | 0 |
50 | 0 |
51 | 1326 |
52 | 0 |
53 | -1431 |
54 | 0 |
55 | 1540 |
56 | 0 |
57 | 1653 |
58 | 1711 |
59 | -1770 |
[1,-3,-6,0,-15,21,-28,0,0,55,-66,0,-91,105,120,0, -153,0,-190,0,231,253,-276,0,0,351,0,0,-435,-465, -496,0,561,595,630,0,-703,741,780,0,-861,-903, -946,0,0,1081,-1128,0,0,0,1326,0,-1431,0,1540,0, 1653,1711,-1770] |