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A087715 as a simple table

n a(n)
0 3
1 3
2 5
3 5
4 7
5 11
6 13
7 17
8 19
9 23
10 29
11 31
12 59
13 61
14 89
15 149
16 151
17 179
18 181
19 211
20 419
21 421
22 631
23 839
24 1049
25 1051
26 1259
27 1471
28 1889
29 2099
30 2309
31 2311
32 4621
33 9239
34 9241
35 11549
36 11551
37 13859
38 18481
39 20789
40 23099
41 25409
42 25411
43 30029
44 90089
45 120121
46 150151

[3,3,5,5,7,11,13,17,19,23,29,31,59,61,89,149,151,
 179,181,211,419,421,631,839,1049,1051,1259,1471,
 1889,2099,2309,2311,4621,9239,9241,11549,11551,
 13859,18481,20789,23099,25409,25411,30029,90089,
 120121,150151]

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)