A090715 - OEIS

A090715 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	71
6	127
7	131
8	193
9	251
10	257
11	1061
12	1063
13	1117
14	1123
15	1181
16	1187
17	1249
18	1987
19	1993
20	2111
21	2917
22	3041
23	3109
24	3169
25	3853
26	3907
27	4099
28	4967
29	5023
30	5087
31	5897
32	5953
33	6823
34	6829
35	6883
36	6947
37	7013
38	7753
39	7757
40	7759
41	7877
42	7937
43	8681
44	8689
45	8807
46	8867

[2,3,5,7,71,127,131,193,251,257,1061,1063,1117, 1123,1181,1187,1249,1987,1993,2111,2917,3041,3109, 3169,3853,3907,4099,4967,5023,5087,5897,5953,6823, 6829,6883,6947,7013,7753,7757,7759,7877,7937,8681, 8689,8807,8867]