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A215808 as a simple table

n a(n)
1 3
2 3
3 17
4 41
5 47
6 67
7 151
8 167
9 199
10 227
11 251
12 257
13 347
14 367
15 557
16 587
17 601
18 607
19 641
20 647
21 727
22 941
23 971
24 1051
25 1091
26 1097
27 1117
28 1181
29 1217
30 1277
31 1361
32 1427
33 1447
34 1447
35 1487
36 1487
37 1499
38 1607
39 1697
40 1741
41 1747
42 1741
43 1777
44 1877
45 1901
46 2087
47 2143
48 2281

[3,3,17,41,47,67,151,167,199,227,251,257,347,367,
 557,587,601,607,641,647,727,941,971,1051,1091,
 1097,1117,1181,1217,1277,1361,1427,1447,1447,1487,
 1487,1499,1607,1697,1741,1747,1741,1777,1877,1901,
 2087,2143,2281]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)