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A161040 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 4
21 4
22 4
23 4
24 6
25 7
26 6
27 7
28 8
29 8
30 10
31 9
32 11
33 11
34 12
35 15
36 15
37 15
38 15
39 18
40 22
41 21
42 24
43 24
44 27
45 30
46 31
47 34
48 37
49 40
50 43
51 45
52 50
53 53
54 58
55 62
56 66
57 70
58 73
59 79
60 91
61 92
62 97
63 105
64 112
65 120
66 126
67 135
68 143
69 153
70 166
71 172
72 187
73 194
74 207
75 224
76 235
77 249

[0,0,0,1,1,1,1,1,1,1,1,2,1,1,2,2,2,3,3,4,4,4,4,6,
 7,6,7,8,8,10,9,11,11,12,15,15,15,15,18,22,21,24,
 24,27,30,31,34,37,40,43,45,50,53,58,62,66,70,73,
 79,91,92,97,105,112,120,126,135,143,153,166,172,
 187,194,207,224,235,249]

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Last modified September 22 02:48 EDT 2021. Contains 347605 sequences. (Running on oeis4.)