A078873 - OEIS

A078873 as a simple table

n	a(n)
1	7
2	11
3	13
4	17
5	19
6	23
7	29
8	31
9	37
10	41
11	43
12	47
13	59
14	61
15	67
16	149
17	151
18	157
19	251
20	587
21	593
22	599
23	1597
24	1601
25	1861
26	2333
27	2671
28	3299
29	3301
30	3307
31	4639
32	5849
33	6353
34	6959
35	14731
36	17467
37	32353
38	90001

[7,11,13,17,19,23,29,31,37,41,43,47,59,61,67,149, 151,157,251,587,593,599,1597,1601,1861,2333,2671, 3299,3301,3307,4639,5849,6353,6959,14731,17467, 32353,90001]