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A109357 as a simple table

n a(n)
1 1
2 21
3 73
4 81
5 127
6 157
7 159
8 181
9 211
10 213
11 217
12 259
13 267
14 271
15 273
16 283
17 289
18 301
19 303
20 321
21 327
22 337
23 369
24 409
25 423
26 457
27 477
28 507
29 523
30 537
31 553
32 559
33 597
34 603
35 621
36 631
37 651
38 691
39 699
40 727
41 799
42 807
43 817
44 843
45 849
46 867
47 877
48 897
49 909
50 919
51 927
52 967
53 969
54 981
55 993
56 997
57 1017
58 1021
59 1047

[1,21,73,81,127,157,159,181,211,213,217,259,267,
 271,273,283,289,301,303,321,327,337,369,409,423,
 457,477,507,523,537,553,559,597,603,621,631,651,
 691,699,727,799,807,817,843,849,867,877,897,909,
 919,927,967,969,981,993,997,1017,1021,1047]

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Last modified October 22 13:15 EDT 2021. Contains 348170 sequences. (Running on oeis4.)