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A074998 as a simple table

n a(n)
1 4
2 6
3 12
4 18
5 30
6 34
7 42
8 51
9 55
10 56
11 60
12 72
13 86
14 92
15 94
16 102
17 108
18 138
19 142
20 144
21 150
22 160
23 180
24 184
25 186
26 192
27 198
28 202
29 204
30 214
31 216
32 218
33 220
34 228
35 236
36 240
37 243
38 248
39 249
40 266
41 270
42 282
43 300
44 302
45 304
46 312
47 320
48 322
49 328
50 340
51 341
52 348
53 392
54 394
55 412

[4,6,12,18,30,34,42,51,55,56,60,72,86,92,94,102,
 108,138,142,144,150,160,180,184,186,192,198,202,
 204,214,216,218,220,228,236,240,243,248,249,266,
 270,282,300,302,304,312,320,322,328,340,341,348,
 392,394,412]

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Last modified July 28 05:45 EDT 2021. Contains 346317 sequences. (Running on oeis4.)