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A028980 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 43
8 81
9 96
10 98
11 130
12 146
13 162
14 166
15 201
16 205
17 208
18 211
19 221
20 241
21 244
22 251
23 271
24 274
25 281
26 300
27 314
28 325
29 333
30 365
31 388
32 422
33 433
34 438
35 443
36 463
37 489
38 519
39 559
40 633
41 685
42 793
43 803
44 827
45 857
46 877
47 887
48 1376
49 1419
50 1505
51 1548

[1,2,3,4,5,7,43,81,96,98,130,146,162,166,201,205,
 208,211,221,241,244,251,271,274,281,300,314,325,
 333,365,388,422,433,438,443,463,489,519,559,633,
 685,793,803,827,857,877,887,1376,1419,1505,1548]

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Last modified August 27 10:11 EDT 2024. Contains 375468 sequences. (Running on oeis4.)