n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | -1 |
4 | 1 |
5 | 1 |
6 | -2 |
7 | -2 |
8 | 3 |
9 | 4 |
10 | -4 |
11 | -5 |
12 | 5 |
13 | 6 |
14 | -8 |
15 | -9 |
16 | 12 |
17 | 13 |
18 | -14 |
19 | -17 |
20 | 18 |
21 | 21 |
22 | -26 |
23 | -28 |
24 | 34 |
25 | 39 |
26 | -42 |
27 | -49 |
28 | 53 |
29 | 60 |
30 | -70 |
31 | -78 |
32 | 90 |
33 | 101 |
34 | -110 |
35 | -125 |
36 | 137 |
37 | 153 |
38 | -174 |
39 | -192 |
40 | 217 |
41 | 241 |
42 | -264 |
43 | -295 |
44 | 322 |
45 | 357 |
46 | -400 |
47 | -438 |
48 | 490 |
49 | 540 |
50 | -588 |
51 | -652 |
52 | 711 |
53 | 781 |
54 | -866 |
55 | -946 |
[1,1,0,-1,1,1,-2,-2,3,4,-4,-5,5,6,-8,-9,12,13,-14, -17,18,21,-26,-28,34,39,-42,-49,53,60,-70,-78,90, 101,-110,-125,137,153,-174,-192,217,241,-264,-295, 322,357,-400,-438,490,540,-588,-652,711,781,-866, -946] |