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A007213 as a simple table

n a(n)
1 1
2 2
3 2
4 4
5 4
6 7
7 8
8 12
9 13
10 18
11 21
12 29
13 33
14 43
15 49
16 63
17 71
18 91
19 103
20 128
21 143
22 176
23 198
24 241
25 271
26 324
27 363
28 431
29 483
30 569
31 636
32 743
33 827
34 960
35 1068
36 1236
37 1371
38 1573
39 1742
40 1992
41 2203
42 2506
43 2769
44 3135
45 3454
46 3895
47 4290
48 4824
49 5300
50 5936
51 6512
52 7274
53 7969

[1,2,2,4,4,7,8,12,13,18,21,29,33,43,49,63,71,91,
 103,128,143,176,198,241,271,324,363,431,483,569,
 636,743,827,960,1068,1236,1371,1573,1742,1992,
 2203,2506,2769,3135,3454,3895,4290,4824,5300,5936,
 6512,7274,7969]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)