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A131187 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 1
6 2
7 3
8 3
9 4
10 6
11 5
12 6
13 9
14 8
15 8
16 11
17 11
18 12
19 13
20 12
21 15
22 18
23 15
24 15
25 20
26 20
27 19
28 22
29 21
30 22
31 25
32 24
33 27
34 28
35 24
36 27
37 33
38 32
39 29
40 32
41 33
42 34
43 37
44 34
45 37
46 42
47 37
48 37
49 42
50 42
51 43
52 46
53 45
54 44
55 45
56 46
57 51
58 54
59 47
60 48
61 57
62 54
63 52
64 55
65 55
66 58
67 61
68 60
69 59
70 62
71 59
72 60
73 69
74 66 

[0,0,0,1,1,2,3,3,4,6,5,6,9,8,8,11,11,12,13,12,15,
 18,15,15,20,20,19,22,21,22,25,24,27,28,24,27,33,
 32,29,32,33,34,37,34,37,42,37,37,42,42,43,46,45,
 44,45,46,51,54,47,48,57,54,52,55,55,58,61,60,59,
 62,59,60,69,66]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)