A034962 - OEIS

A034962 as a simple table

n	a(n)
1	23
2	31
3	41
4	59
5	71
6	83
7	97
8	109
9	131
10	173
11	199
12	211
13	223
14	251
15	269
16	311
17	349
18	439
19	457
20	487
21	503
22	607
23	661
24	701
25	829
26	857
27	883
28	911
29	941
30	1033
31	1049
32	1061
33	1151
34	1187
35	1229
36	1249
37	1303
38	1367
39	1381
40	1409
41	1433
42	1493
43	1511
44	1553
45	1667
46	1867
47	1931
48	1973
49	1993

[23,31,41,59,71,83,97,109,131,173,199,211,223,251, 269,311,349,439,457,487,503,607,661,701,829,857, 883,911,941,1033,1049,1061,1151,1187,1229,1249, 1303,1367,1381,1409,1433,1493,1511,1553,1667,1867, 1931,1973,1993]