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A053265 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 2
7 3
8 3
9 3
10 4
11 4
12 5
13 6
14 6
15 7
16 8
17 9
18 10
19 11
20 12
21 13
22 15
23 16
24 18
25 20
26 21
27 24
28 26
29 28
30 31
31 34
32 37
33 40
34 44
35 47
36 51
37 56
38 60
39 65
40 71
41 76
42 82
43 89
44 95
45 103
46 111
47 119
48 128
49 138
50 148
51 158
52 171
53 182
54 195
55 210
56 223
57 239
58 256
59 273
60 292
61 312
62 332
63 354
64 378
65 402
66 428

[1,1,1,1,2,2,2,3,3,3,4,4,5,6,6,7,8,9,10,11,12,13,
 15,16,18,20,21,24,26,28,31,34,37,40,44,47,51,56,
 60,65,71,76,82,89,95,103,111,119,128,138,148,158,
 171,182,195,210,223,239,256,273,292,312,332,354,
 378,402,428]

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)