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A121878 as a simple table

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

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

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Last modified February 29 05:01 EST 2020. Contains 332353 sequences. (Running on oeis4.)