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A108030 as a simple table

n a(n)
1 0
2 20
3 30
4 42
5 44
6 50
7 60
8 62
9 78
10 98
11 102
12 110
13 120
14 128
15 144
16 158
17 162
18 170
19 174
20 180
21 182
22 188
23 194
24 198
25 210
26 240
27 242
28 252
29 258
30 260
31 264
32 272
33 294
34 302
35 314
36 348
37 350
38 368
39 380
40 392
41 404
42 408
43 432
44 450
45 462
46 470
47 482
48 492
49 498

[0,20,30,42,44,50,60,62,78,98,102,110,120,128,144,
 158,162,170,174,180,182,188,194,198,210,240,242,
 252,258,260,264,272,294,302,314,348,350,368,380,
 392,404,408,432,450,462,470,482,492,498]

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Last modified July 23 21:46 EDT 2024. Contains 374575 sequences. (Running on oeis4.)