A087910 - cp's OEIS frontend

A087910 Exponent of the greatest power of 2 dividing the numerator of 2^1/1 + 2^2/2 + 2^3/3 + ... + 2^n/n.

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

[1, 2, 2, 5, 8, 5, 5, 13, 9, 10, 10, 12, 12, 12, 12, 22, 17, 18, 18, 21, 22, 21, 21, 27, 25, 26, 26, 27, 27, 27, 27, 40, 33, 34, 34, 37, 39, 37, 37, 48, 41, 42, 42, 44, 44, 44, 44, 54, 49, 50, 50, 53, 54, 53, 53, 58, 57, 59, 62, 58, 58, 58]

cp's OEIS Frontend

A087910 Exponent of the greatest power of 2 dividing the numerator of 2^1/1 + 2^2/2 + 2^3/3 + ... + 2^n/n.

Table of values

List of values

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

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

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