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A011877 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 1
8 2
9 3
10 3
11 4
12 5
13 6
14 7
15 8
16 10
17 11
18 12
19 14
20 15
21 17
22 19
23 21
24 23
25 25
26 27
27 29
28 31
29 33
30 36
31 38
32 41
33 44
34 46
35 49
36 52
37 55
38 58
39 61
40 65
41 68
42 71
43 75
44 78
45 82
46 86
47 90
48 94
49 98
50 102
51 106
52 110
53 114
54 119
55 123
56 128
57 133
58 137
59 142
60 147
61 152
62 157
63 162
64 168
65 173
66 178
67 184
68 189

[0,0,0,0,0,0,1,1,2,3,3,4,5,6,7,8,10,11,12,14,15,
 17,19,21,23,25,27,29,31,33,36,38,41,44,46,49,52,
 55,58,61,65,68,71,75,78,82,86,90,94,98,102,106,
 110,114,119,123,128,133,137,142,147,152,157,162,
 168,173,178,184,189]

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Last modified March 18 22:50 EDT 2024. Contains 370951 sequences. (Running on oeis4.)