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A008471 as a simple table

n a(n)
1 4
2 7
3 13
4 22
5 31
6 43
7 46
8 61
9 64
10 85
11 88
12 103
13 106
14 109
15 130
16 142
17 145
18 160
19 166
20 169
21 178
22 199
23 238
24 268
25 271
26 316
27 367
28 376
29 391
30 400
31 409
32 415
33 421
34 451
35 472
36 478
37 493
38 523
39 541
40 544
41 547
42 550
43 574

[4,7,13,22,31,43,46,61,64,85,88,103,106,109,130,
 142,145,160,166,169,178,199,238,268,271,316,367,
 376,391,400,409,415,421,451,472,478,493,523,541,
 544,547,550,574]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)