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A049831 as a simple table

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

[0,0,1,1,3,2,4,6,5,6,8,8,11,10,9,12,12,15,15,14,
 19,16,19,18,19,22,21,23,26,25,27,24,27,32,27,30,
 33,31,33,30,35,38,35,38,40,38,44,39,44,46,43,44,
 47,45,53,46,49,52,50,56,54,54,57,56]

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Last modified March 22 12:39 EDT 2019. Contains 321421 sequences. (Running on oeis4.)