A280409 - OEIS

A280409 as a simple table

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	17
7	13
8	23
9	53
10	19
11	29
12	41
13	31
14	47
15	71
16	107
17	137
18	103
19	233
20	263
21	593
22	167
23	251
24	283
25	479
26	719
27	1619
28	911
29	1367
30	577
31	433
32	61
33	37
34	59
35	89
36	67
37	101
38	43
39	83
40	73
41	113
42	79
43	179
44	269
45	131
46	197
47	97
48	149
49	109
50	173
51	139
52	157
53	127
54	191
55	431
56	647
57	971

[2,3,5,7,11,17,13,23,53,19,29,41,31,47,71,107,137, 103,233,263,593,167,251,283,479,719,1619,911,1367, 577,433,61,37,59,89,67,101,43,83,73,113,79,179, 269,131,197,97,149,109,173,139,157,127,191,431, 647,971]