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A045975 as a simple table

n a(n)
1 1
2 2
3 4
4 9
5 15
6 21
7 24
8 28
9 32
10 36
11 45
12 55
13 65
14 75
15 85
16 90
17 96
18 102
19 108
20 114
21 120
22 133
23 147
24 161
25 175
26 189
27 203
28 217
29 224
30 232
31 240
32 248
33 256
34 264
35 272
36 280
37 297
38 315
39 333
40 351
41 369
42 387
43 405
44 423
45 441
46 450
47 460
48 470
49 480
50 490
51 500
52 510
53 520
54 530
55 540
56 561
57 583
58 605
59 627
60 649
61 671
62 693

[1,2,4,9,15,21,24,28,32,36,45,55,65,75,85,90,96,
 102,108,114,120,133,147,161,175,189,203,217,224,
 232,240,248,256,264,272,280,297,315,333,351,369,
 387,405,423,441,450,460,470,480,490,500,510,520,
 530,540,561,583,605,627,649,671,693]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)