A281551 - OEIS

A281551 as a simple table

n	a(n)
1	3
2	23
3	41
4	47
5	59
6	89
7	101
8	149
9	179
10	227
11	317
12	347
13	353
14	383
15	389
16	479
17	503
18	599
19	821
20	887
21	929
22	977
23	1019
24	1109
25	1229
26	1283
27	1319
28	1511
29	1571
30	1619
31	1667
32	1709
33	1733
34	1787
35	1847
36	1889
37	1907
38	1913
39	1931
40	2207
41	2309
42	2333
43	2357
44	2399
45	2417
46	2459
47	2609
48	2753
49	2789
50	2909
51	2963
52	2999
53	3203
54	3257
55	3299

[3,23,41,47,59,89,101,149,179,227,317,347,353,383, 389,479,503,599,821,887,929,977,1019,1109,1229, 1283,1319,1511,1571,1619,1667,1709,1733,1787,1847, 1889,1907,1913,1931,2207,2309,2333,2357,2399,2417, 2459,2609,2753,2789,2909,2963,2999,3203,3257,3299]