A037914 - cp's OEIS frontend

A037914 a(n) is the least base b>=2 such that the number of distinct digits in the base b representation of n is maximized.

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	2
7	3
8	2
9	2
10	2
11	3
12	2
13	2
14	2
15	3
16	2
17	2
18	4
19	3
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	3
32	3
33	3
34	3
35	3
36	4
37	2
38	3
39	4
40	5
41	6
42	3
43	2
44	4
45	3
46	3
47	3
48	3
49	4
50	4
51	3
52	4
53	5
54	4
55	3
56	4
57	3
58	3
59	3
60	6
61	3
62	6
63	3
64	3
65	3
66	3
67	4
68	6
69	3
70	4
71	4
72	4
73	3
74	4
75	4
76	4
77	4
78	4
79	4
80	5
81	6
82	4
83	3
84	5
85	5
86	3
87	3
88	3
89	3
90	6

[2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 4, 3, 2, 3, 2, 2, 4, 2, 2, 4, 4, 3, 4, 3, 3, 3, 3, 3, 4, 2, 3, 4, 5, 6, 3, 2, 4, 3, 3, 3, 3, 4, 4, 3, 4, 5, 4, 3, 4, 3, 3, 3, 6, 3, 6, 3, 3, 3, 3, 4, 6, 3, 4, 4, 4, 3, 4, 4, 4, 4, 4, 4, 5, 6, 4, 3, 5, 5, 3, 3, 3, 3, 6]

cp's OEIS Frontend

A037914 a(n) is the least base b>=2 such that the number of distinct digits in the base b representation of n is maximized.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	2
7	3
8	2
9	2
10	2
11	3
12	2
13	2
14	2
15	3
16	2
17	2
18	4
19	3
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	3
32	3
33	3
34	3
35	3
36	4
37	2
38	3
39	4
40	5
41	6
42	3
43	2
44	4
45	3
46	3
47	3
48	3
49	4
50	4
51	3
52	4
53	5
54	4
55	3
56	4
57	3
58	3
59	3
60	6
61	3
62	6
63	3
64	3
65	3
66	3
67	4
68	6
69	3
70	4
71	4
72	4
73	3
74	4
75	4
76	4
77	4
78	4
79	4
80	5
81	6
82	4
83	3
84	5
85	5
86	3
87	3
88	3
89	3
90	6

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	2
7	3
8	2
9	2
10	2
11	3
12	2
13	2
14	2
15	3
16	2
17	2
18	4
19	3
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	3
32	3
33	3
34	3
35	3
36	4
37	2
38	3
39	4
40	5
41	6
42	3
43	2
44	4
45	3
46	3
47	3
48	3
49	4
50	4
51	3
52	4
53	5
54	4
55	3
56	4
57	3
58	3
59	3
60	6
61	3
62	6
63	3
64	3
65	3
66	3
67	4
68	6
69	3
70	4
71	4
72	4
73	3
74	4
75	4
76	4
77	4
78	4
79	4
80	5
81	6
82	4
83	3
84	5
85	5
86	3
87	3
88	3
89	3
90	6

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	2
7	3
8	2
9	2
10	2
11	3
12	2
13	2
14	2
15	3
16	2
17	2
18	4
19	3
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	4
29	3
30	4
31	3
32	3
33	3
34	3
35	3
36	4
37	2
38	3
39	4
40	5
41	6
42	3
43	2
44	4
45	3
46	3
47	3
48	3
49	4
50	4
51	3
52	4
53	5
54	4
55	3
56	4
57	3
58	3
59	3
60	6
61	3
62	6
63	3
64	3
65	3
66	3
67	4
68	6
69	3
70	4
71	4
72	4
73	3
74	4
75	4
76	4
77	4
78	4
79	4
80	5
81	6
82	4
83	3
84	5
85	5
86	3
87	3
88	3
89	3
90	6