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A018118 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 2
5 2
6 2
7 3
8 3
9 3
10 4
11 5
12 5
13 6
14 7
15 8
16 9
17 11
18 12
19 14
20 16
21 18
22 21
23 24
24 28
25 32
26 37
27 42
28 49
29 56
30 64
31 74
32 84
33 97
34 111
35 128
36 147
37 169
38 194
39 223
40 256
41 294
42 338
43 388
44 446
45 512
46 588
47 676
48 776
49 891
50 1024
51 1176
52 1351

[1,1,1,2,2,2,2,3,3,3,4,5,5,6,7,8,9,11,12,14,16,18,
 21,24,28,32,37,42,49,56,64,74,84,97,111,128,147,
 169,194,223,256,294,338,388,446,512,588,676,776,
 891,1024,1176,1351]

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Last modified January 26 06:23 EST 2022. Contains 350572 sequences. (Running on oeis4.)