Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
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0 | -1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 1 |
10 | 1 |
11 | 2 |
12 | 2 |
13 | 3 |
14 | 3 |
15 | 3 |
16 | 4 |
17 | 5 |
18 | 5 |
19 | 6 |
20 | 6 |
21 | 7 |
22 | 8 |
23 | 9 |
24 | 9 |
25 | 10 |
26 | 11 |
27 | 12 |
28 | 13 |
29 | 14 |
30 | 14 |
31 | 16 |
32 | 17 |
33 | 18 |
34 | 19 |
35 | 20 |
36 | 21 |
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38 | 24 |
39 | 25 |
40 | 26 |
41 | 28 |
42 | 29 |
43 | 31 |
44 | 32 |
45 | 33 |
46 | 35 |
47 | 37 |
48 | 38 |
49 | 40 |
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52 | 45 |
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55 | 50 |
56 | 52 |
57 | 54 |
58 | 56 |
59 | 58 |
60 | 59 |
61 | 62 |
62 | 64 |
63 | 66 |
64 | 68 |
65 | 70 |
66 | 72 |
67 | 75 |
68 | 77 |
69 | 79 |
70 | 81 |
71 | 84 |
72 | 86 |
73 | 89 |
[-1,0,0,0,0,0,0,1,1,1,1,2,2,3,3,3,4,5,5,6,6,7,8,9, 9,10,11,12,13,14,14,16,17,18,19,20,21,23,24,25,26, 28,29,31,32,33,35,37,38,40,41,43,45,47,48,50,52, 54,56,58,59,62,64,66,68,70,72,75,77,79,81,84,86, 89] |