A123060 - cp's OEIS frontend

A123060 Least positive integer k such that n has the same number of characters in base k and in Roman numeral representation, or 0 if no such k exists.

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

[1, 1, 1, 3, 6, 3, 2, 2, 4, 11, 4, 3, 2, 3, 4, 3, 0, 2, 3, 5, 3, 0, 2, 0, 3, 0, 2, 0, 3, 4, 3, 0, 2, 0, 3, 0, 2, 0, 0, 7, 4, 3, 0, 3, 4, 3, 0, 2, 3, 51, 8, 4, 3, 4, 8, 4, 3, 0, 4, 8, 4, 3, 0, 3, 5, 3, 0, 0, 3, 5, 3, 0, 0, 0, 3, 0, 0, 2, 0, 3, 3, 0, 2, 0, 3, 0]

cp's OEIS Frontend

A123060 Least positive integer k such that n has the same number of characters in base k and in Roman numeral representation, or 0 if no such k exists.

Table of values

List of values

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

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

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