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A057872 formatted as a simple table:

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

[0,1,2,2,3,3,5,5,5,5,8,8,10,10,10,10,13,13,16,16,
 16,16,19,19,19,19,19,19,23,23,26,26,26,26,26,26,
 30,30,30,30,33,33,37,37,37,37,41,41,41,41,41,41,
 45,45,45,45,45,45,49,49,53,53,53,53,53,53,57,57,
 57,57,62,62,66,66,66,66]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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