A138652 - cp's OEIS frontend

A138652 Number of differences (not all necessarily distinct) between consecutive divisors of 2n which are also divisors of 2n.

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

[1, 2, 3, 3, 2, 5, 2, 4, 5, 5, 2, 7, 2, 4, 6, 5, 2, 8, 2, 6, 7, 4, 2, 9, 3, 4, 7, 5, 2, 11, 2, 6, 6, 4, 3, 11, 2, 4, 6, 7, 2, 10, 2, 6, 10, 4, 2, 11, 3, 8, 6, 6, 2, 11, 5, 6, 6, 4, 2, 15, 2, 4, 9, 7, 4, 9, 2, 6, 6, 8, 2, 14, 2, 4, 9, 6, 2, 11, 2, 8, 9, 4, 2, 15, 4, 4, 6, 6, 2, 17, 3, 6, 6, 4, 4, 13, 2, 6, 9]

cp's OEIS Frontend

A138652 Number of differences (not all necessarily distinct) between consecutive divisors of 2n which are also divisors of 2n.

Table of values

List of values

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

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

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