A309007 - cp's OEIS frontend

A309007 Largest k such that n^k has distinct digits in base 10 (for n>1).

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

[29, 9, 10, 8, 4, 8, 5, 3, 1, 0, 4, 4, 5, 1, 5, 6, 4, 3, 1, 3, 3, 4, 3, 4, 1, 3, 2, 3, 1, 2, 4, 2, 1, 3, 2, 2, 5, 1, 1, 3, 2, 2, 4, 1, 1, 1, 4, 4, 1, 2, 2, 2, 2, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 1, 3, 1, 2, 2, 3, 2, 3, 3, 0, 2, 2, 1, 1, 2, 1, 3, 1, 2, 2]

cp's OEIS Frontend

A309007 Largest k such that n^k has distinct digits in base 10 (for n>1).

Table of values

List of values

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

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

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