A083989 - OEIS

A083989 as a simple table

n	a(n)
1	3
2	7
3	17
4	23
5	29
6	31
7	41
8	43
9	53
10	67
11	71
12	83
13	109
14	127
15	139
16	151
17	173
18	179
19	197
20	211
21	229
22	263
23	271
24	281
25	307
26	359
27	463
28	547
29	557
30	569
31	587
32	593
33	673
34	677
35	683
36	691
37	701
38	719
39	727
40	757
41	769
42	823
43	839
44	881
45	883
46	887
47	907
48	937
49	983
50	997
51	1087
52	1103
53	1171
54	1181

[3,7,17,23,29,31,41,43,53,67,71,83,109,127,139, 151,173,179,197,211,229,263,271,281,307,359,463, 547,557,569,587,593,673,677,683,691,701,719,727, 757,769,823,839,881,883,887,907,937,983,997,1087, 1103,1171,1181]