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A047256 as a simple table

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

[0,1,2,3,5,6,7,8,9,11,12,13,14,15,17,18,19,20,21,
 23,24,25,26,27,29,30,31,32,33,35,36,37,38,39,41,
 42,43,44,45,47,48,49,50,51,53,54,55,56,57,59,60,
 61,62,63,65,66,67]

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Last modified August 3 10:43 EDT 2021. Contains 346435 sequences. (Running on oeis4.)