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A074939 as a simple table

n a(n)
0 0
1 4
2 10
3 12
4 28
5 30
6 36
7 40
8 82
9 84
10 90
11 94
12 108
13 112
14 118
15 120
16 244
17 246
18 252
19 256
20 270
21 274
22 280
23 282
24 324
25 328
26 334
27 336
28 352
29 354
30 360
31 364
32 730
33 732
34 738
35 742
36 756
37 760
38 766
39 768
40 810
41 814
42 820
43 822
44 838
45 840
46 846
47 850
48 972
49 976
50 982
51 984
52 1000
53 1002

[0,4,10,12,28,30,36,40,82,84,90,94,108,112,118,
 120,244,246,252,256,270,274,280,282,324,328,334,
 336,352,354,360,364,730,732,738,742,756,760,766,
 768,810,814,820,822,838,840,846,850,972,976,982,
 984,1000,1002]

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Last modified April 16 21:58 EDT 2021. Contains 343051 sequences. (Running on oeis4.)