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A161105 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 2
13 1
14 1
15 2
16 2
17 2
18 3
19 3
20 3
21 4
22 4
23 4
24 6
25 5
26 5
27 6
28 7
29 7
30 9
31 8
32 8
33 9
34 10
35 10
36 13
37 11
38 11
39 13
40 15
41 14
42 18
43 16
44 17
45 20
46 21
47 21
48 26
49 24
50 25
51 28
52 30
53 29
54 36
55 35
56 35
57 40
58 42
59 42
60 51
61 48
62 49
63 54
64 59
65 59
66 67
67 66
68 68
69 75
70 79
71 78
72 89
73 86
74 90
75 100
76 103
77 102
78 115
79 116
80 120
81 129

[0,0,0,1,1,1,1,1,1,1,1,2,1,1,2,2,2,3,3,3,4,4,4,6,
 5,5,6,7,7,9,8,8,9,10,10,13,11,11,13,15,14,18,16,
 17,20,21,21,26,24,25,28,30,29,36,35,35,40,42,42,
 51,48,49,54,59,59,67,66,68,75,79,78,89,86,90,100,
 103,102,115,116,120,129]

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Last modified October 20 08:28 EDT 2021. Contains 348099 sequences. (Running on oeis4.)