A288157 - cp's OEIS frontend

A288157 Number of bases b < n where the digits of n are not all different.

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	4
11	2
12	4
13	3
14	4
15	3
16	5
17	4
18	5
19	2
20	5
21	4
22	5
23	4
24	6
25	5
26	6
27	4
28	5
29	4
30	6
31	5
32	7
33	5
34	6
35	4
36	8
37	6
38	5
39	4
40	7
41	5
42	7
43	6
44	6
45	6
46	7
47	5
48	8
49	6
50	8
51	5
52	6
53	4
54	6
55	6
56	7
57	7
58	6
59	5
60	11
61	7
62	7
63	7
64	10
65	7
66	7
67	6
68	7
69	5
70	7
71	6
72	11
73	6
74	8
75	7
76	7
77	6
78	9
79	6
80	9
81	9
82	7
83	5
84	10
85	7
86	6
87	7
88	9
89	7
90	10
91	8
92	10
93	8
94	7
95	6
96	10
97	7
98	10
99	6

[0, 0, 1, 2, 2, 2, 2, 3, 3, 4, 2, 4, 3, 4, 3, 5, 4, 5, 2, 5, 4, 5, 4, 6, 5, 6, 4, 5, 4, 6, 5, 7, 5, 6, 4, 8, 6, 5, 4, 7, 5, 7, 6, 6, 6, 7, 5, 8, 6, 8, 5, 6, 4, 6, 6, 7, 7, 6, 5, 11, 7, 7, 7, 10, 7, 7, 6, 7, 5, 7, 6, 11, 6, 8, 7, 7, 6, 9, 6, 9, 9, 7, 5, 10, 7, 6, 7, 9, 7, 10, 8, 10, 8, 7, 6, 10, 7, 10, 6]

cp's OEIS Frontend

A288157 Number of bases b < n where the digits of n are not all different.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	4
11	2
12	4
13	3
14	4
15	3
16	5
17	4
18	5
19	2
20	5
21	4
22	5
23	4
24	6
25	5
26	6
27	4
28	5
29	4
30	6
31	5
32	7
33	5
34	6
35	4
36	8
37	6
38	5
39	4
40	7
41	5
42	7
43	6
44	6
45	6
46	7
47	5
48	8
49	6
50	8
51	5
52	6
53	4
54	6
55	6
56	7
57	7
58	6
59	5
60	11
61	7
62	7
63	7
64	10
65	7
66	7
67	6
68	7
69	5
70	7
71	6
72	11
73	6
74	8
75	7
76	7
77	6
78	9
79	6
80	9
81	9
82	7
83	5
84	10
85	7
86	6
87	7
88	9
89	7
90	10
91	8
92	10
93	8
94	7
95	6
96	10
97	7
98	10
99	6

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	4
11	2
12	4
13	3
14	4
15	3
16	5
17	4
18	5
19	2
20	5
21	4
22	5
23	4
24	6
25	5
26	6
27	4
28	5
29	4
30	6
31	5
32	7
33	5
34	6
35	4
36	8
37	6
38	5
39	4
40	7
41	5
42	7
43	6
44	6
45	6
46	7
47	5
48	8
49	6
50	8
51	5
52	6
53	4
54	6
55	6
56	7
57	7
58	6
59	5
60	11
61	7
62	7
63	7
64	10
65	7
66	7
67	6
68	7
69	5
70	7
71	6
72	11
73	6
74	8
75	7
76	7
77	6
78	9
79	6
80	9
81	9
82	7
83	5
84	10
85	7
86	6
87	7
88	9
89	7
90	10
91	8
92	10
93	8
94	7
95	6
96	10
97	7
98	10
99	6

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	4
11	2
12	4
13	3
14	4
15	3
16	5
17	4
18	5
19	2
20	5
21	4
22	5
23	4
24	6
25	5
26	6
27	4
28	5
29	4
30	6
31	5
32	7
33	5
34	6
35	4
36	8
37	6
38	5
39	4
40	7
41	5
42	7
43	6
44	6
45	6
46	7
47	5
48	8
49	6
50	8
51	5
52	6
53	4
54	6
55	6
56	7
57	7
58	6
59	5
60	11
61	7
62	7
63	7
64	10
65	7
66	7
67	6
68	7
69	5
70	7
71	6
72	11
73	6
74	8
75	7
76	7
77	6
78	9
79	6
80	9
81	9
82	7
83	5
84	10
85	7
86	6
87	7
88	9
89	7
90	10
91	8
92	10
93	8
94	7
95	6
96	10
97	7
98	10
99	6