A293667 - OEIS

A293667 as a simple table

n	a(n)
1	2
2	3
3	5
4	-7
5	11
6	-13
7	17
8	19
9	-31
10	23
11	29
12	-47
13	37
14	-41
15	43
16	53
17	-83
18	59
19	-71
20	61
21	67
22	-127
23	73
24	79
25	-157
26	89
27	97
28	-173
29	101
30	-103
31	107
32	-109
33	113
34	131
35	-241
36	137
37	139
38	-271
39	149
40	-151
41	163
42	167
43	-337
44	179
45	181
46	-349
47	191
48	193
49	-383
50	197
51	-199
52	211
53	223
54	-431

[2,3,5,-7,11,-13,17,19,-31,23,29,-47,37,-41,43,53, -83,59,-71,61,67,-127,73,79,-157,89,97,-173,101, -103,107,-109,113,131,-241,137,139,-271,149,-151, 163,167,-337,179,181,-349,191,193,-383,197,-199, 211,223,-431]

[2,3,5,-7,11,-13,17,19,-31,23,29,-47,37,-41,43,53,
 -83,59,-71,61,67,-127,73,79,-157,89,97,-173,101,
 -103,107,-109,113,131,-241,137,139,-271,149,-151,
 163,167,-337,179,181,-349,191,193,-383,197,-199,
 211,223,-431]