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A018119 as a simple table

n a(n)
0 1
1 2
2 2
3 2
4 2
5 2
6 3
7 3
8 4
9 4
10 4
11 5
12 6
13 7
14 7
15 8
16 10
17 11
18 13
19 14
20 16
21 19
22 22
23 25
24 28
25 32
26 37
27 43
28 49
29 56
30 64
31 74
32 85
33 98
34 112
35 128
36 148
37 169
38 195
39 223
40 256
41 295
42 338
43 389
44 446
45 512
46 589
47 676
48 777
49 892
50 1024
51 1177
52 1352

[1,2,2,2,2,2,3,3,4,4,4,5,6,7,7,8,10,11,13,14,16,
 19,22,25,28,32,37,43,49,56,64,74,85,98,112,128,
 148,169,195,223,256,295,338,389,446,512,589,676,
 777,892,1024,1177,1352]

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Last modified April 17 01:23 EDT 2024. Contains 371756 sequences. (Running on oeis4.)