Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | -1 |
2 | 1 |
3 | -1 |
4 | 2 |
5 | 0 |
6 | 4 |
7 | 2 |
8 | 6 |
9 | 3 |
10 | 7 |
11 | 5 |
12 | 11 |
13 | 9 |
14 | 13 |
15 | 9 |
16 | 14 |
17 | 12 |
18 | 18 |
19 | 16 |
20 | 22 |
21 | 18 |
22 | 22 |
23 | 20 |
24 | 28 |
25 | 25 |
26 | 29 |
27 | 25 |
28 | 31 |
29 | 29 |
30 | 37 |
31 | 35 |
32 | 41 |
33 | 37 |
34 | 41 |
35 | 37 |
36 | 46 |
37 | 44 |
38 | 48 |
39 | 44 |
40 | 52 |
41 | 50 |
42 | 58 |
43 | 56 |
44 | 62 |
45 | 56 |
46 | 60 |
47 | 58 |
48 | 68 |
49 | 65 |
50 | 71 |
51 | 67 |
52 | 73 |
53 | 71 |
54 | 79 |
55 | 75 |
56 | 83 |
57 | 79 |
58 | 83 |
59 | 81 |
60 | 93 |
61 | 91 |
62 | 95 |
63 | 89 |
64 | 96 |
65 | 92 |
66 | 100 |
67 | 98 |
68 | 104 |
69 | 100 |
70 | 108 |
[-1,1,-1,2,0,4,2,6,3,7,5,11,9,13,9,14,12,18,16,22, 18,22,20,28,25,29,25,31,29,37,35,41,37,41,37,46, 44,48,44,52,50,58,56,62,56,60,58,68,65,71,67,73, 71,79,75,83,79,83,81,93,91,95,89,96,92,100,98,104, 100,108] |