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A248219 as a simple table

n a(n)
1 1
2 3
3 7
4 19
5 21
6 31
7 37
8 43
9 57
10 93
11 111
12 129
13 133
14 157
15 217
16 259
17 301
18 307
19 313
20 399
21 463
22 471
23 499
24 589
25 613
26 651
27 703
28 777
29 817
30 903
31 921
32 939
33 967
34 1099
35 1147
36 1333
37 1389
38 1497
39 1591
40 1767
41 1839
42 2109
43 2149
44 2191
45 2451
46 2683
47 2901
48 2983
49 3241
50 3297
51 3441

[1,3,7,19,21,31,37,43,57,93,111,129,133,157,217,
 259,301,307,313,399,463,471,499,589,613,651,703,
 777,817,903,921,939,967,1099,1147,1333,1389,1497,
 1591,1767,1839,2109,2149,2191,2451,2683,2901,2983,
 3241,3297,3441]

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Last modified July 23 21:10 EDT 2019. Contains 325267 sequences. (Running on oeis4.)