n | a(n) |
---|---|
1 | 1 |
2 | -2 |
3 | 1 |
4 | -4 |
5 | 0 |
6 | -9 |
7 | -5 |
8 | -23 |
9 | -24 |
10 | -65 |
11 | -90 |
12 | -196 |
13 | -311 |
14 | -613 |
15 | -1039 |
16 | -1954 |
17 | -3419 |
18 | -6288 |
19 | -11172 |
20 | -20329 |
21 | -36385 |
22 | -65871 |
23 | -118312 |
24 | -213669 |
25 | -384422 |
26 | -693448 |
27 | -1248623 |
28 | -2251097 |
29 | -4054895 |
30 | -7308466 |
31 | -13167159 |
32 | -23729196 |
33 | -42755048 |
34 | -77046281 |
35 | -138827181 |
36 | -250164695 |
37 | -450772776 |
[1,-2,1,-4,0,-9,-5,-23,-24,-65,-90,-196,-311,-613, -1039,-1954,-3419,-6288,-11172,-20329,-36385, -65871,-118312,-213669,-384422,-693448,-1248623, -2251097,-4054895,-7308466,-13167159,-23729196, -42755048,-77046281,-138827181,-250164695, -450772776] |