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A011885 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 1
9 2
10 2
11 3
12 4
13 4
14 5
15 6
16 7
17 8
18 9
19 10
20 11
21 13
22 14
23 15
24 17
25 18
26 20
27 21
28 23
29 25
30 27
31 29
32 31
33 33
34 35
35 37
36 39
37 41
38 43
39 46
40 48
41 51
42 53
43 56
44 59
45 61
46 64
47 67
48 70
49 73
50 76
51 79
52 82
53 86
54 89
55 92
56 96
57 99
58 103
59 106
60 110
61 114
62 118
63 122
64 126
65 130
66 134
67 138
68 142
69 146
70 150

[0,0,0,0,0,0,0,1,1,2,2,3,4,4,5,6,7,8,9,10,11,13,
 14,15,17,18,20,21,23,25,27,29,31,33,35,37,39,41,
 43,46,48,51,53,56,59,61,64,67,70,73,76,79,82,86,
 89,92,96,99,103,106,110,114,118,122,126,130,134,
 138,142,146,150]

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Last modified February 29 08:26 EST 2020. Contains 332355 sequences. (Running on oeis4.)