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A008720 formatted as a simple table:

n a(n)
0 1
1 0
2 2
3 0
4 3
5 1
6 4
7 2
8 5
9 3
10 7
11 4
12 9
13 5
14 11
15 7
16 13
17 9
18 15
19 11
20 18
21 13
22 21
23 15
24 24
25 18
26 27
27 21
28 30
29 24
30 34
31 27
32 38
33 30
34 42
35 34
36 46
37 38
38 50
39 42
40 55
41 46
42 60
43 50
44 65
45 55
46 70
47 60
48 75
49 65
50 81
51 70
52 87
53 75
54 93
55 81
56 99
57 87
58 105

[1,0,2,0,3,1,4,2,5,3,7,4,9,5,11,7,13,9,15,11,18,
 13,21,15,24,18,27,21,30,24,34,27,38,30,42,34,46,
 38,50,42,55,46,60,50,65,55,70,60,75,65,81,70,87,
 75,93,81,99,87,105]

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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