A076494 - cp's OEIS frontend

A076494 Number of common decimal digits of 2^n and 2^(1+n).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	2
9	2
10	3
11	2
12	1
13	2
14	3
15	2
16	1
17	2
18	2
19	3
20	4
21	3
22	2
23	1
24	1
25	1
26	4
27	4
28	5
29	6
30	6
31	4
32	3
33	3
34	5
35	6
36	6
37	5
38	4
39	4
40	5
41	5
42	5
43	6
44	7
45	6
46	6
47	7
48	6
49	6
50	7
51	7
52	6
53	5
54	5
55	6
56	5
57	7
58	8
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	7
67	9
68	9
69	9
70	7
71	6
72	7
73	7
74	8
75	8
76	8
77	7
78	9
79	9
80	8
81	9
82	9
83	9
84	9
85	8
86	9
87	10
88	10
89	9
90	7
91	8
92	8
93	9
94	10
95	10
96	10
97	10
98	9
99	9
100	10
101	9

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

cp's OEIS Frontend

A076494 Number of common decimal digits of 2^n and 2^(1+n).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	2
9	2
10	3
11	2
12	1
13	2
14	3
15	2
16	1
17	2
18	2
19	3
20	4
21	3
22	2
23	1
24	1
25	1
26	4
27	4
28	5
29	6
30	6
31	4
32	3
33	3
34	5
35	6
36	6
37	5
38	4
39	4
40	5
41	5
42	5
43	6
44	7
45	6
46	6
47	7
48	6
49	6
50	7
51	7
52	6
53	5
54	5
55	6
56	5
57	7
58	8
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	7
67	9
68	9
69	9
70	7
71	6
72	7
73	7
74	8
75	8
76	8
77	7
78	9
79	9
80	8
81	9
82	9
83	9
84	9
85	8
86	9
87	10
88	10
89	9
90	7
91	8
92	8
93	9
94	10
95	10
96	10
97	10
98	9
99	9
100	10
101	9

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	2
9	2
10	3
11	2
12	1
13	2
14	3
15	2
16	1
17	2
18	2
19	3
20	4
21	3
22	2
23	1
24	1
25	1
26	4
27	4
28	5
29	6
30	6
31	4
32	3
33	3
34	5
35	6
36	6
37	5
38	4
39	4
40	5
41	5
42	5
43	6
44	7
45	6
46	6
47	7
48	6
49	6
50	7
51	7
52	6
53	5
54	5
55	6
56	5
57	7
58	8
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	7
67	9
68	9
69	9
70	7
71	6
72	7
73	7
74	8
75	8
76	8
77	7
78	9
79	9
80	8
81	9
82	9
83	9
84	9
85	8
86	9
87	10
88	10
89	9
90	7
91	8
92	8
93	9
94	10
95	10
96	10
97	10
98	9
99	9
100	10
101	9

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	2
9	2
10	3
11	2
12	1
13	2
14	3
15	2
16	1
17	2
18	2
19	3
20	4
21	3
22	2
23	1
24	1
25	1
26	4
27	4
28	5
29	6
30	6
31	4
32	3
33	3
34	5
35	6
36	6
37	5
38	4
39	4
40	5
41	5
42	5
43	6
44	7
45	6
46	6
47	7
48	6
49	6
50	7
51	7
52	6
53	5
54	5
55	6
56	5
57	7
58	8
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	7
67	9
68	9
69	9
70	7
71	6
72	7
73	7
74	8
75	8
76	8
77	7
78	9
79	9
80	8
81	9
82	9
83	9
84	9
85	8
86	9
87	10
88	10
89	9
90	7
91	8
92	8
93	9
94	10
95	10
96	10
97	10
98	9
99	9
100	10
101	9