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A064475 formatted as a simple table:

n a(n)
2 0
3 0
4 0
5 1
6 2
7 2
8 2
9 2
10 3
11 4
12 4
13 4
14 5
15 6
16 6
17 6
18 6
19 6
20 7
21 8
22 9
23 9
24 10
25 11
26 11
27 11
28 12
29 13
30 13
31 13
32 13
33 14
34 15
35 15
36 15
37 16
38 17
39 18
40 18
41 18
42 18
43 19
44 20
45 20
46 20
47 20
48 20
49 20
50 21
51 22
52 22
53 23
54 24
55 24
56 24
57 25
58 26
59 26
60 26
61 27
62 28
63 28
64 28
65 28
66 28
67 29
68 30
69 31
70 31
71 31

[0,0,0,1,2,2,2,2,3,4,4,4,5,6,6,6,6,6,7,8,9,9,10,
 11,11,11,12,13,13,13,13,14,15,15,15,16,17,18,18,
 18,18,19,20,20,20,20,20,20,21,22,22,23,24,24,24,
 25,26,26,26,27,28,28,28,28,28,29,30,31,31,31]

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


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