A178561 - OEIS

A178561 as a simple table

n	a(n)
1	31
2	11
3	313
4	23
5	163
6	53
7	157
8	43
9	41
10	71
11	103
12	137
13	61
14	127
15	193
16	227
17	113
18	109
19	107
20	101
21	277
22	127
23	101
24	223
25	113
26	181
27	251
28	571
29	233
30	409
31	151
32	257
33	211
34	317
35	491
36	557
37	733
38	367
39	433
40	359
41	313
42	491
43	271
44	233
45	509
46	281
47	241
48	311
49	271
50	373
51	1163
52	613
53	571

[31,11,313,23,163,53,157,43,41,71,103,137,61,127, 193,227,113,109,107,101,277,127,101,223,113,181, 251,571,233,409,151,257,211,317,491,557,733,367, 433,359,313,491,271,233,509,281,241,311,271,373, 1163,613,571]