A050668 - OEIS

A050668 as a simple table

n	a(n)
1	23
2	41
3	47
4	53
5	71
6	79
7	83
8	113
9	149
10	181
11	229
12	293
13	311
14	349
15	359
16	379
17	421
18	433
19	523
20	541
21	587
22	593
23	617
24	619
25	661
26	701
27	719
28	727
29	769
30	787
31	797
32	881
33	971
34	1327
35	1373
36	1399
37	1471
38	1543
39	1741
40	1747
41	1811
42	1889
43	1913
44	1979
45	2027
46	2129
47	2137
48	2161
49	2251

[23,41,47,53,71,79,83,113,149,181,229,293,311,349, 359,379,421,433,523,541,587,593,617,619,661,701, 719,727,769,787,797,881,971,1327,1373,1399,1471, 1543,1741,1747,1811,1889,1913,1979,2027,2129,2137, 2161,2251]