n | a(n) |
---|---|
-1 | 1 |
0 | 1 |
1 | 3 |
2 | -2 |
3 | 3 |
4 | -6 |
5 | 10 |
6 | -12 |
7 | 15 |
8 | -22 |
9 | 30 |
10 | -36 |
11 | 44 |
12 | -60 |
13 | 78 |
14 | -96 |
15 | 117 |
16 | -150 |
17 | 190 |
18 | -228 |
19 | 276 |
20 | -340 |
21 | 420 |
22 | -504 |
23 | 603 |
24 | -732 |
25 | 885 |
26 | -1052 |
27 | 1245 |
28 | -1488 |
29 | 1770 |
30 | -2088 |
31 | 2454 |
32 | -2902 |
33 | 3420 |
34 | -3996 |
35 | 4666 |
36 | -5460 |
37 | 6378 |
38 | -7400 |
39 | 8583 |
40 | -9972 |
41 | 11566 |
42 | -13344 |
43 | 15378 |
44 | -17752 |
45 | 20448 |
[1,1,3,-2,3,-6,10,-12,15,-22,30,-36,44,-60,78,-96, 117,-150,190,-228,276,-340,420,-504,603,-732,885, -1052,1245,-1488,1770,-2088,2454,-2902,3420,-3996, 4666,-5460,6378,-7400,8583,-9972,11566,-13344, 15378,-17752,20448] |