A216137 - cp's OEIS frontend

A216137 a(n) = conjectured number of integers k such that n^k has no two consecutive identical digits.

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

[40, 24, 22, 23, 10, 12, 14, 13, 1, 8, 7, 10, 10, 8, 12, 8, 6, 6, 1, 6, 6, 9, 6, 12, 8, 9, 8, 10, 1, 8, 8, 6, 5, 6, 5, 8, 8, 5, 1, 10, 5, 4, 7, 8, 6, 4, 6, 5, 1, 6, 6, 8, 7, 6, 6, 6, 4, 5, 1, 7, 5, 5, 8, 5, 4, 4, 3, 6, 1, 4, 7, 5, 5, 8, 3, 4, 5, 7, 1, 4, 6, 7, 6]

cp's OEIS Frontend

A216137 a(n) = conjectured number of integers k such that n^k has no two consecutive identical digits.

Table of values

List of values

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

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

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