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A111457 as a simple table

n a(n)
1 0
2 0
3 1
4 2
5 4
6 4
7 6
8 6
9 8
10 10
11 10
12 13
13 15
14 15
15 16
16 18
17 21
18 21
19 23
20 24
21 24
22 26
23 27
24 30
25 34
26 34
27 34
28 35
29 35
30 36
31 42
32 43
33 45
34 45
35 50
36 50
37 51
38 54
39 55
40 56
41 58
42 58
43 61
44 61
45 62
46 62
47 68
48 75
49 76
50 76
51 76
52 78
53 78
54 80
55 82
56 84
57 86
58 86
59 87
60 88
61 88
62 91
63 98
64 99
65 99
66 100
67 106
68 108
69 111
70 111 

[0,0,1,2,4,4,6,6,8,10,10,13,15,15,16,18,21,21,23,
 24,24,26,27,30,34,34,34,35,35,36,42,43,45,45,50,
 50,51,54,55,56,58,58,61,61,62,62,68,75,76,76,76,
 78,78,80,82,84,86,86,87,88,88,91,98,99,99,100,106,
 108,111,111]

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Last modified April 28 11:23 EDT 2024. Contains 372049 sequences. (Running on oeis4.)