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A189660 as a simple table

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

[0,0,1,1,1,2,3,4,4,4,4,5,5,5,6,7,8,8,9,10,10,11,
 12,12,12,12,13,13,13,14,14,14,15,16,17,17,17,17,
 18,18,18,19,20,21,21,22,23,23,24,25,25,25,25,26,
 27,28,28,29,30,30,30,30,31,32,33,33,34,35,35,35,
 35,36,36,36,37,37,37,38,39,40,40]

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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)