A287147 - OEIS

A287147 as a simple table

n	a(n)
1	2
2	3
3	7
4	13
5	17
6	31
7	53
8	179
9	271
10	311
11	503
12	569
13	587
14	1231
15	1307
16	1543
17	1931
18	2647
19	2711
20	3089
21	3917
22	4919
23	5879
24	6491
25	8933
26	9137
27	11437
28	13411
29	14431
30	16657
31	21599
32	26053
33	29129
34	57367
35	58481
36	62071
37	62971
38	68351
39	70639
40	109721
41	156967
42	193811
43	216211

[2,3,7,13,17,31,53,179,271,311,503,569,587,1231, 1307,1543,1931,2647,2711,3089,3917,4919,5879,6491, 8933,9137,11437,13411,14431,16657,21599,26053, 29129,57367,58481,62071,62971,68351,70639,109721, 156967,193811,216211]