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A280469 as a simple table

n a(n)
1 4
2 6
3 12
4 18
5 30
6 34
7 42
8 56
9 60
10 72
11 86
12 92
13 94
14 102
15 108
16 138
17 142
18 144
19 150
20 160
21 180
22 184
23 186
24 192
25 198
26 202
27 204
28 214
29 216
30 218
31 220
32 228
33 236
34 240
35 248
36 266
37 270
38 282
39 300
40 302
41 304
42 312
43 320
44 322
45 328
46 340
47 348
48 392
49 394
50 412
51 414
52 416
53 420
54 432
55 446

[4,6,12,18,30,34,42,56,60,72,86,92,94,102,108,138,
 142,144,150,160,180,184,186,192,198,202,204,214,
 216,218,220,228,236,240,248,266,270,282,300,302,
 304,312,320,322,328,340,348,392,394,412,414,416,
 420,432,446]

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Last modified September 24 06:13 EDT 2021. Contains 347623 sequences. (Running on oeis4.)