A303297 - cp's OEIS frontend

A303297 List of middle divisors: for every positive integer that has middle divisors, add its middle divisors to the sequence.

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

[1, 1, 2, 2, 3, 2, 3, 3, 4, 3, 5, 4, 3, 4, 5, 4, 6, 5, 4, 7, 5, 6, 4, 5, 7, 6, 5, 8, 6, 7, 5, 9, 6, 8, 7, 5, 6, 9, 7, 8, 6, 10, 7, 9, 8, 6, 11, 7, 10, 6, 8, 9, 7, 11, 8, 10, 9, 7, 12, 8, 11, 9, 10, 7, 13, 8, 12, 7, 9, 11, 10, 8, 13, 9, 12, 10, 11, 8, 14, 9, 13, 8, 10, 12, 15, 11, 9, 14, 8, 10, 13, 11, 12, 9, 15]

cp's OEIS Frontend

A303297 List of middle divisors: for every positive integer that has middle divisors, add its middle divisors to the sequence.

Table of values

List of values

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

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

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