A139054 - OEIS

A139054 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	17
8	19
9	101
10	103
11	107
12	109
13	1009
14	1013
15	1019
16	1021
17	10007
18	10009
19	10037
20	10039
21	100003
22	100019
23	100043
24	100049
25	1000003
26	1000033
27	1000037
28	1000039
29	10000019
30	10000079
31	10000103
32	10000121
33	100000007
34	100000037
35	100000039
36	100000049

[2,3,5,7,11,13,17,19,101,103,107,109,1009,1013, 1019,1021,10007,10009,10037,10039,100003,100019, 100043,100049,1000003,1000033,1000037,1000039, 10000019,10000079,10000103,10000121,100000007, 100000037,100000039,100000049]