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A004001 as a simple table

n a(n)
1 1
2 1
3 2
4 2
5 3
6 4
7 4
8 4
9 5
10 6
11 7
12 7
13 8
14 8
15 8
16 8
17 9
18 10
19 11
20 12
21 12
22 13
23 14
24 14
25 15
26 15
27 15
28 16
29 16
30 16
31 16
32 16
33 17
34 18
35 19
36 20
37 21
38 21
39 22
40 23
41 24
42 24
43 25
44 26
45 26
46 27
47 27
48 27
49 28
50 29
51 29
52 30
53 30
54 30
55 31
56 31
57 31
58 31
59 32
60 32
61 32
62 32
63 32
64 32
65 33
66 34
67 35
68 36
69 37
70 38
71 38
72 39
73 40
74 41
75 42

[1,1,2,2,3,4,4,4,5,6,7,7,8,8,8,8,9,10,11,12,12,13,
 14,14,15,15,15,16,16,16,16,16,17,18,19,20,21,21,
 22,23,24,24,25,26,26,27,27,27,28,29,29,30,30,30,
 31,31,31,31,32,32,32,32,32,32,33,34,35,36,37,38,
 38,39,40,41,42]

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Last modified August 19 20:32 EDT 2014. Contains 245794 sequences.