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A026839 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 2
9 2
10 2
11 3
12 3
13 4
14 4
15 5
16 5
17 6
18 7
19 8
20 9
21 10
22 12
23 13
24 15
25 17
26 20
27 22
28 25
29 28
30 32
31 36
32 40
33 45
34 51
35 57
36 64
37 71
38 79
39 89
40 99
41 110
42 122
43 137
44 152
45 168
46 186
47 208
48 230
49 253
50 280
51 311
52 343
53 378
54 416
55 461
56 507
57 558
58 613
59 675

[1,1,1,1,1,1,2,2,2,2,3,3,4,4,5,5,6,7,8,9,10,12,13,
 15,17,20,22,25,28,32,36,40,45,51,57,64,71,79,89,
 99,110,122,137,152,168,186,208,230,253,280,311,
 343,378,416,461,507,558,613,675]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)