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A161289 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 1
12 1
13 1
14 1
15 1
16 1
17 1
18 1
19 1
20 1
21 1
22 2
23 1
24 2
25 1
26 2
27 1
28 2
29 1
30 2
31 1
32 2
33 2
34 3
35 3
36 4
37 4
38 5
39 5
40 6
41 6
42 7
43 7
44 9
45 8
46 9
47 9
48 11
49 10
50 11
51 11
52 13
53 12
54 13
55 15
56 16
57 15
58 16
59 17
60 20
61 18
62 19
63 20
64 22
65 22
66 24
67 24
68 27
69 25
70 29
71 28
72 32
73 29
74 33
75 32
76 37
77 36
78 39
79 38
80 44
81 42
82 48
83 46
84 54
85 51
86 58
87 57
88 67
89 64
90 73
91 73
92 82
93 80

[0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,2,1,2,
 1,2,1,2,1,2,1,2,2,3,3,4,4,5,5,6,6,7,7,9,8,9,9,11,
 10,11,11,13,12,13,15,16,15,16,17,20,18,19,20,22,
 22,24,24,27,25,29,28,32,29,33,32,37,36,39,38,44,
 42,48,46,54,51,58,57,67,64,73,73,82,80]

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Last modified March 29 11:45 EDT 2024. Contains 371278 sequences. (Running on oeis4.)