A054965 - cp's OEIS frontend

A054965 Beatty sequence for log_3(10), i.e., for 1/log_10(3); so largest exponent of 3 which produces an n-digit decimal number.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	20
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	37
19	39
20	41
21	44
22	46
23	48
24	50
25	52
26	54
27	56
28	58
29	60
30	62
31	64
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	81
40	83
41	85
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	106
52	108
53	111
54	113
55	115
56	117
57	119
58	121
59	123
60	125
61	127
62	129
63	132
64	134
65	136

[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 132, 134, 136]

cp's OEIS Frontend

A054965 Beatty sequence for log_3(10), i.e., for 1/log_10(3); so largest exponent of 3 which produces an n-digit decimal number.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	20
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	37
19	39
20	41
21	44
22	46
23	48
24	50
25	52
26	54
27	56
28	58
29	60
30	62
31	64
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	81
40	83
41	85
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	106
52	108
53	111
54	113
55	115
56	117
57	119
58	121
59	123
60	125
61	127
62	129
63	132
64	134
65	136

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	20
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	37
19	39
20	41
21	44
22	46
23	48
24	50
25	52
26	54
27	56
28	58
29	60
30	62
31	64
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	81
40	83
41	85
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	106
52	108
53	111
54	113
55	115
56	117
57	119
58	121
59	123
60	125
61	127
62	129
63	132
64	134
65	136

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	20
11	23
12	25
13	27
14	29
15	31
16	33
17	35
18	37
19	39
20	41
21	44
22	46
23	48
24	50
25	52
26	54
27	56
28	58
29	60
30	62
31	64
32	67
33	69
34	71
35	73
36	75
37	77
38	79
39	81
40	83
41	85
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	106
52	108
53	111
54	113
55	115
56	117
57	119
58	121
59	123
60	125
61	127
62	129
63	132
64	134
65	136