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A203648 as a simple table

n a(n)
1 1
2 2
3 9
4 4
5 5
6 18
7 7
8 8
9 27
10 10
11 11
12 36
13 13
14 14
15 45
16 16
17 17
18 54
19 19
20 20
21 63
22 22
23 23
24 72
25 25
26 26
27 81
28 28
29 29
30 90
31 31
32 32
33 99
34 34
35 35
36 108
37 37
38 38
39 117
40 40
41 41
42 126
43 43
44 44
45 135
46 46
47 47
48 144
49 49
50 50
51 153
52 52
53 53
54 162
55 55
56 56
57 171

[1,2,9,4,5,18,7,8,27,10,11,36,13,14,45,16,17,54,
 19,20,63,22,23,72,25,26,81,28,29,90,31,32,99,34,
 35,108,37,38,117,40,41,126,43,44,135,46,47,144,49,
 50,153,52,53,162,55,56,171]

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Last modified March 19 17:21 EDT 2019. Contains 321330 sequences. (Running on oeis4.)