A004234 - cp's OEIS frontend

A004234 a(n) = floor(10*log(n)).

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

[0, 6, 10, 13, 16, 17, 19, 20, 21, 23, 23, 24, 25, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34, 34, 34, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41]

cp's OEIS Frontend

A004234 a(n) = floor(10*log(n)).

Table of values

List of values

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

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

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