A210062 - cp's OEIS frontend

A210062 Number of digits in 7^n.

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	5
6	6
7	6
8	7
9	8
10	9
11	10
12	11
13	11
14	12
15	13
16	14
17	15
18	16
19	17
20	17
21	18
22	19
23	20
24	21
25	22
26	22
27	23
28	24
29	25
30	26
31	27
32	28
33	28
34	29
35	30
36	31
37	32
38	33
39	33
40	34
41	35
42	36
43	37
44	38
45	39
46	39
47	40
48	41
49	42
50	43
51	44
52	44
53	45
54	46
55	47
56	48
57	49
58	50
59	50
60	51
61	52
62	53
63	54
64	55
65	55
66	56
67	57

[1, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 10, 11, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 26, 27, 28, 28, 29, 30, 31, 32, 33, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41, 42, 43, 44, 44, 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, 54, 55, 55, 56, 57]

cp's OEIS Frontend

A210062 Number of digits in 7^n.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	5
6	6
7	6
8	7
9	8
10	9
11	10
12	11
13	11
14	12
15	13
16	14
17	15
18	16
19	17
20	17
21	18
22	19
23	20
24	21
25	22
26	22
27	23
28	24
29	25
30	26
31	27
32	28
33	28
34	29
35	30
36	31
37	32
38	33
39	33
40	34
41	35
42	36
43	37
44	38
45	39
46	39
47	40
48	41
49	42
50	43
51	44
52	44
53	45
54	46
55	47
56	48
57	49
58	50
59	50
60	51
61	52
62	53
63	54
64	55
65	55
66	56
67	57

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	5
6	6
7	6
8	7
9	8
10	9
11	10
12	11
13	11
14	12
15	13
16	14
17	15
18	16
19	17
20	17
21	18
22	19
23	20
24	21
25	22
26	22
27	23
28	24
29	25
30	26
31	27
32	28
33	28
34	29
35	30
36	31
37	32
38	33
39	33
40	34
41	35
42	36
43	37
44	38
45	39
46	39
47	40
48	41
49	42
50	43
51	44
52	44
53	45
54	46
55	47
56	48
57	49
58	50
59	50
60	51
61	52
62	53
63	54
64	55
65	55
66	56
67	57

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	5
6	6
7	6
8	7
9	8
10	9
11	10
12	11
13	11
14	12
15	13
16	14
17	15
18	16
19	17
20	17
21	18
22	19
23	20
24	21
25	22
26	22
27	23
28	24
29	25
30	26
31	27
32	28
33	28
34	29
35	30
36	31
37	32
38	33
39	33
40	34
41	35
42	36
43	37
44	38
45	39
46	39
47	40
48	41
49	42
50	43
51	44
52	44
53	45
54	46
55	47
56	48
57	49
58	50
59	50
60	51
61	52
62	53
63	54
64	55
65	55
66	56
67	57