Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 2 |
3 | -2 |
4 | 3 |
5 | 3 |
6 | -3 |
7 | 4 |
8 | 6 |
9 | 4 |
10 | -4 |
11 | 5 |
12 | 10 |
13 | 10 |
14 | 5 |
15 | -5 |
16 | 6 |
17 | 15 |
18 | 20 |
19 | 15 |
20 | 6 |
21 | -6 |
22 | 7 |
23 | 21 |
24 | 35 |
25 | 35 |
26 | 21 |
27 | 7 |
28 | -7 |
29 | 8 |
30 | 28 |
31 | 56 |
32 | 70 |
33 | 56 |
34 | 28 |
35 | 8 |
36 | -8 |
37 | 9 |
38 | 36 |
39 | 84 |
40 | 126 |
41 | 126 |
42 | 84 |
43 | 36 |
44 | 9 |
45 | -9 |
46 | 10 |
47 | 45 |
48 | 120 |
49 | 210 |
50 | 252 |
51 | 210 |
52 | 120 |
53 | 45 |
54 | 10 |
55 | -10 |
[1,-1,2,-2,3,3,-3,4,6,4,-4,5,10,10,5,-5,6,15,20, 15,6,-6,7,21,35,35,21,7,-7,8,28,56,70,56,28,8,-8, 9,36,84,126,126,84,36,9,-9,10,45,120,210,252,210, 120,45,10,-10] |