A354967 - OEIS

A354967 as a simple table

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	4
8	5
9	5
10	5
11	5
12	7
13	11
14	11
15	11
16	6
17	11
18	17
19	31
20	31
21	31
22	7
23	13
24	31
25	59
26	127
27	127
28	127
29	8
30	17
31	41
32	127
33	277
34	709
35	709
36	709
37	9
38	19
39	59
40	179
41	709
42	1787
43	5381
44	5381
45	5381
46	10
47	23
48	67
49	277
50	1063
51	5381
52	15299
53	52711
54	52711
55	52711
56	11
57	29
58	83
59	331
60	1787
61	8527
62	52711
63	167449
64	648391
65	648391
66	648391

[1,2,2,3,3,3,4,5,5,5,5,7,11,11,11,6,11,17,31,31, 31,7,13,31,59,127,127,127,8,17,41,127,277,709,709, 709,9,19,59,179,709,1787,5381,5381,5381,10,23,67, 277,1063,5381,15299,52711,52711,52711,11,29,83, 331,1787,8527,52711,167449,648391,648391,648391]