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A028373 as a simple table

n a(n)
1 1
2 4
3 7
4 11
5 14
6 17
7 41
8 44
9 47
10 71
11 74
12 77
13 111
14 114
15 117
16 141
17 144
18 147
19 171
20 174
21 177
22 411
23 414
24 417
25 441
26 444
27 447
28 471
29 474
30 477
31 711
32 714
33 717
34 741
35 744
36 747
37 771
38 774
39 777
40 1111
41 1114
42 1117
43 1141
44 1144
45 1147
46 1171
47 1174
48 1177
49 1411
50 1414
51 1417
52 1441

[1,4,7,11,14,17,41,44,47,71,74,77,111,114,117,141,
 144,147,171,174,177,411,414,417,441,444,447,471,
 474,477,711,714,717,741,744,747,771,774,777,1111,
 1114,1117,1141,1144,1147,1171,1174,1177,1411,1414,
 1417,1441]

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Last modified June 23 06:25 EDT 2024. Contains 373629 sequences. (Running on oeis4.)