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A091848 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 1
9 2
10 3
11 3
12 4
13 5
14 6
15 7
16 8
17 9
18 11
19 12
20 14
21 15
22 17
23 18
24 21
25 22
26 25
27 26
28 29
29 30
30 33
31 35
32 38
33 40
34 44
35 45
36 49
37 51
38 55
39 57
40 61
41 63
42 68
43 70
44 75
45 77
46 82
47 84
48 90
49 92
50 98
51 100
52 106
53 108
54 114
55 117
56 123
57 126
58 133
59 135
60 142
61 145
62 152
63 155
64 162
65 165

[0,0,0,0,0,0,1,1,2,3,3,4,5,6,7,8,9,11,12,14,15,17,
 18,21,22,25,26,29,30,33,35,38,40,44,45,49,51,55,
 57,61,63,68,70,75,77,82,84,90,92,98,100,106,108,
 114,117,123,126,133,135,142,145,152,155,162,165]

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Last modified May 2 21:21 EDT 2024. Contains 372203 sequences. (Running on oeis4.)