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A071964 as a simple table

n a(n)
1 4
2 6
3 9
4 10
5 21
6 25
7 34
8 39
9 49
10 55
11 57
12 111
13 121
14 155
15 169
16 203
17 205
18 219
19 253
20 289
21 291
22 301
23 305
24 327
25 361
26 489
27 497
28 505
29 514
30 529
31 579
32 689
33 737
34 755
35 791
36 841
37 889
38 905
39 961
40 979
41 1027
42 1081
43 1205
44 1255
45 1299
46 1355
47 1369
48 1379
49 1461
50 1477
51 1681
52 1703

[4,6,9,10,21,25,34,39,49,55,57,111,121,155,169,
 203,205,219,253,289,291,301,305,327,361,489,497,
 505,514,529,579,689,737,755,791,841,889,905,961,
 979,1027,1081,1205,1255,1299,1355,1369,1379,1461,
 1477,1681,1703]

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Last modified April 25 10:47 EDT 2024. Contains 371967 sequences. (Running on oeis4.)