A263873 - OEIS

A263873 as a simple table

n	a(n)
1	2
2	2
3	2
4	3
5	2
6	3
7	3
8	3
9	3
10	3
11	4
12	3
13	7
14	3
15	4
16	4
17	4
18	7
19	7
20	4
21	4
22	5
23	4
24	14
25	7
26	14
27	4
28	5
29	5
30	5
31	14
32	16
33	16
34	14
35	5
36	5
37	6
38	5
39	25
40	17
41	61
42	17
43	25
44	5
45	6
46	6
47	6
48	25
49	41
50	93
51	93
52	41
53	25
54	6
55	6
56	7
57	6
58	41
59	48
60	494
61	379
62	494
63	48
64	41
65	6
66	7
67	7
68	7
69	41
70	113
71	975
72	2909
73	2909
74	975
75	113
76	41
77	7
78	7
79	8
80	7
81	63
82	141

[2,2,2,3,2,3,3,3,3,3,4,3,7,3,4,4,4,7,7,4,4,5,4,14, 7,14,4,5,5,5,14,16,16,14,5,5,6,5,25,17,61,17,25,5, 6,6,6,25,41,93,93,41,25,6,6,7,6,41,48,494,379,494, 48,41,6,7,7,7,41,113,975,2909,2909,975,113,41,7,7, 8,7,63,141]