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A174576 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 2
10 2
11 3
12 3
13 4
14 4
15 5
16 6
17 6
18 7
19 8
20 10
21 11
22 12
23 14
24 16
25 19
26 21
27 24
28 27
29 31
30 36
31 40
32 46
33 52
34 60
35 68
36 77
37 88
38 100
39 113
40 129
41 146
42 166
43 189
44 214
45 244
46 277
47 315
48 357
49 406
50 461

[0,1,1,1,1,1,1,1,2,2,2,3,3,4,4,5,6,6,7,8,10,11,12,
 14,16,19,21,24,27,31,36,40,46,52,60,68,77,88,100,
 113,129,146,166,189,214,244,277,315,357,406,461]

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Last modified September 19 20:55 EDT 2020. Contains 337182 sequences. (Running on oeis4.)