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A025804 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 2
5 0
6 2
7 0
8 3
9 1
10 3
11 1
12 4
13 2
14 4
15 2
16 5
17 3
18 6
19 3
20 7
21 4
22 8
23 4
24 9
25 5
26 10
27 6
28 11
29 7
30 12
31 8
32 13
33 9
34 14
35 10
36 16
37 11
38 17
39 12
40 19
41 13
42 20
43 14
44 22
45 16
46 23
47 17
48 25
49 19
50 26
51 20
52 28
53 22
54 30
55 23
56 32
57 25
58 34
59 26
60 36
61 28
62 38
63 30
64 40

[1,0,1,0,2,0,2,0,3,1,3,1,4,2,4,2,5,3,6,3,7,4,8,4,
 9,5,10,6,11,7,12,8,13,9,14,10,16,11,17,12,19,13,
 20,14,22,16,23,17,25,19,26,20,28,22,30,23,32,25,
 34,26,36,28,38,30,40]

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Last modified October 24 10:03 EDT 2021. Contains 348225 sequences. (Running on oeis4.)