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A020889 as a simple table

n a(n)
1 6
2 20
3 24
4 30
5 42
6 60
7 70
8 72
9 80
10 88
11 104
12 110
13 112
14 126
15 130
16 140
17 154
18 156
19 170
20 180
21 198
22 204
23 210
24 228
25 234
26 238
27 252
28 264
29 266
30 272
31 286
32 304
33 308
34 322
35 330
36 336
37 342
38 352
39 364
40 368
41 374
42 390
43 396
44 400
45 414
46 416
47 420
48 432
49 442
50 450
51 460
52 468
53 480
54 494
55 506
56 510

[6,20,24,30,42,60,70,72,80,88,104,110,112,126,130,
 140,154,156,170,180,198,204,210,228,234,238,252,
 264,266,272,286,304,308,322,330,336,342,352,364,
 368,374,390,396,400,414,416,420,432,442,450,460,
 468,480,494,506,510]

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Last modified April 20 12:36 EDT 2024. Contains 371844 sequences. (Running on oeis4.)