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A020690 as a simple table

n a(n)
1 0
2 7
3 8
4 15
5 28
6 32
7 36
8 39
9 60
10 63
11 71
12 72
13 79
14 95
15 100
16 112
17 120
18 128
19 135
20 144
21 156
22 175
23 183
24 184
25 191
26 200
27 207
28 228
29 240
30 247
31 252
32 260
33 263
34 284
35 288
36 295
37 303
38 312
39 316
40 324
41 343
42 351
43 375
44 380
45 392
46 399
47 400
48 415
49 420
50 448
51 452
52 455
53 456
54 463
55 471
56 480
57 504
58 512

[0,7,8,15,28,32,36,39,60,63,71,72,79,95,100,112,
 120,128,135,144,156,175,183,184,191,200,207,228,
 240,247,252,260,263,284,288,295,303,312,316,324,
 343,351,375,380,392,399,400,415,420,448,452,455,
 456,463,471,480,504,512]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)