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A002487 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 2
4 1
5 3
6 2
7 3
8 1
9 4
10 3
11 5
12 2
13 5
14 3
15 4
16 1
17 5
18 4
19 7
20 3
21 8
22 5
23 7
24 2
25 7
26 5
27 8
28 3
29 7
30 4
31 5
32 1
33 6
34 5
35 9
36 4
37 11
38 7
39 10
40 3
41 11
42 8
43 13
44 5
45 12
46 7
47 9
48 2
49 9
50 7
51 12
52 5
53 13
54 8
55 11
56 3
57 10
58 7
59 11
60 4
61 9
62 5
63 6
64 1
65 7
66 6
67 11
68 5
69 14
70 9
71 13
72 4
73 15
74 11
75 18
76 7
77 17
78 10
79 13
80 3
81 14
82 11
83 19
84 8
85 21
86 13
87 18
88 5
89 17
90 12
91 19 

[0,1,1,2,1,3,2,3,1,4,3,5,2,5,3,4,1,5,4,7,3,8,5,7,
 2,7,5,8,3,7,4,5,1,6,5,9,4,11,7,10,3,11,8,13,5,12,
 7,9,2,9,7,12,5,13,8,11,3,10,7,11,4,9,5,6,1,7,6,11,
 5,14,9,13,4,15,11,18,7,17,10,13,3,14,11,19,8,21,
 13,18,5,17,12,19]

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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