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A047740 formatted as a simple table:

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

[1,2,3,3,4,4,5,5,6,6,6,7,7,8,8,8,9,9,9,10,10,10,
 11,11,11,12,12,12,12,13,13,13,14,14,14,14,15,15,
 15,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,
 19,20,20,20,20,21,21,21,21,22,22,22,22,23,23]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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