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A165684 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 1
8 2
9 2
10 3
11 4
12 5
13 5
14 7
15 8
16 9
17 11
18 13
19 13
20 17
21 18
22 20
23 23
24 26
25 27
26 32
27 34
28 37
29 41
30 46
31 47
32 54
33 57
34 61
35 67
36 73
37 75
38 84
39 88
40 94
41 101
42 109
43 112
44 123
45 129
46 136
47 145
48 155
49 159
50 173
51 180
52 189
53 200
54 212
55 218
56 234
57 243
58 254
59 267
60 282
61 289
62 308
63 319

[0,0,0,0,1,1,1,2,2,3,4,5,5,7,8,9,11,13,13,17,18,
 20,23,26,27,32,34,37,41,46,47,54,57,61,67,73,75,
 84,88,94,101,109,112,123,129,136,145,155,159,173,
 180,189,200,212,218,234,243,254,267,282,289,308,
 319]

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Last modified May 19 21:01 EDT 2024. Contains 372703 sequences. (Running on oeis4.)