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A020691 as a simple table

n a(n)
1 0
2 7
3 9
4 16
5 28
6 36
7 37
8 43
9 63
10 64
11 72
12 81
13 88
14 99
15 109
16 112
17 121
18 144
19 148
20 151
21 172
22 175
23 184
24 193
25 207
26 211
27 225
28 232
29 252
30 253
31 256
32 261
33 288
34 319
35 324
36 331
37 333
38 337
39 343
40 352
41 379
42 387
43 396
44 400
45 424
46 436
47 441
48 448
49 457
50 469
51 477
52 484
53 487
54 499
55 504
56 529
57 553
58 567

[0,7,9,16,28,36,37,43,63,64,72,81,88,99,109,112,
 121,144,148,151,172,175,184,193,207,211,225,232,
 252,253,256,261,288,319,324,331,333,337,343,352,
 379,387,396,400,424,436,441,448,457,469,477,484,
 487,499,504,529,553,567]

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Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)