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A161560 as a simple table

n a(n)
1 0
2 0
3 1
4 3
5 3
6 5
7 6
8 6
9 7
10 9
11 10
12 10
13 12
14 12
15 13
16 15
17 15
18 17
19 18
20 18
21 20
22 20
23 21
24 23
25 24
26 24
27 25
28 27
29 27
30 29
31 30
32 30
33 31
34 33
35 34
36 34
37 36
38 36
39 37
40 39
41 40
42 40
43 41
44 43
45 43
46 45
47 46
48 46
49 48
50 48
51 49
52 51
53 51
54 53
55 54
56 54
57 55
58 57
59 58
60 58
61 60
62 60
63 61
64 63
65 63
66 65
67 66
68 66
69 68
70 68
71 69
72 71
73 72

[0,0,1,3,3,5,6,6,7,9,10,10,12,12,13,15,15,17,18,
 18,20,20,21,23,24,24,25,27,27,29,30,30,31,33,34,
 34,36,36,37,39,40,40,41,43,43,45,46,46,48,48,49,
 51,51,53,54,54,55,57,58,58,60,60,61,63,63,65,66,
 66,68,68,69,71,72]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)