A249749 - OEIS

A249749 as a simple table

n	a(n)
1	2
2	3
3	7
4	13
5	19
6	43
7	53
8	59
9	79
10	89
11	97
12	109
13	127
14	131
15	151
16	173
17	251
18	269
19	281
20	311
21	359
22	443
23	449
24	479
25	521
26	547
27	631
28	647
29	857
30	883
31	929
32	941
33	991
34	1123
35	1187
36	1217
37	1327
38	1429
39	1847
40	1999
41	2137
42	2267
43	2297
44	2371
45	2423
46	2803

[2,3,7,13,19,43,53,59,79,89,97,109,127,131,151, 173,251,269,281,311,359,443,449,479,521,547,631, 647,857,883,929,941,991,1123,1187,1217,1327,1429, 1847,1999,2137,2267,2297,2371,2423,2803]