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A020686 as a simple table

n a(n)
1 0
2 5
3 7
4 12
5 20
6 27
7 28
8 33
9 45
10 48
11 52
12 63
13 68
14 73
15 80
16 83
17 87
18 108
19 112
20 117
21 125
22 132
23 143
24 153
25 157
26 175
27 180
28 187
29 188
30 192
31 195
32 208
33 220
34 237
35 243
36 245
37 252
38 255
39 257
40 272
41 273
42 292
43 297
44 300
45 308
46 320
47 327
48 332
49 343
50 348
51 355
52 357
53 363
54 377
55 383
56 388
57 405
58 412
59 420

[0,5,7,12,20,27,28,33,45,48,52,63,68,73,80,83,87,
 108,112,117,125,132,143,153,157,175,180,187,188,
 192,195,208,220,237,243,245,252,255,257,272,273,
 292,297,300,308,320,327,332,343,348,355,357,363,
 377,383,388,405,412,420]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)