A324393 - cp's OEIS frontend

A324393 a(n) is the number of such divisors d of n that A000120(d) does not divide n, where A000120(d) gives the binary weight of d.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	0
13	1
14	2
15	3
16	0
17	1
18	0
19	1
20	0
21	1
22	2
23	1
24	0
25	2
26	2
27	3
28	3
29	1
30	2
31	1
32	0
33	2
34	0
35	3
36	0
37	1
38	2
39	2
40	0
41	1
42	0
43	1
44	3
45	5
46	2
47	1
48	0
49	2
50	2
51	3
52	3
53	1
54	2
55	2
56	4
57	2
58	2
59	1
60	0
61	1
62	2
63	3
64	0
65	3
66	0
67	1
68	0
69	2
70	4
71	1
72	0
73	1
74	2
75	4
76	3
77	3
78	2
79	1
80	0
81	3
82	2
83	1
84	0
85	3
86	2
87	3
88	4
89	1
90	4
91	3
92	0
93	3
94	2
95	3
96	0
97	1
98	4
99	4
100	3
101	1
102	2
103	1
104	4
105	4

[0, 0, 1, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 2, 3, 0, 1, 0, 1, 0, 1, 2, 1, 0, 2, 2, 3, 3, 1, 2, 1, 0, 2, 0, 3, 0, 1, 2, 2, 0, 1, 0, 1, 3, 5, 2, 1, 0, 2, 2, 3, 3, 1, 2, 2, 4, 2, 2, 1, 0, 1, 2, 3, 0, 3, 0, 1, 0, 2, 4, 1, 0, 1, 2, 4, 3, 3, 2, 1, 0, 3, 2, 1, 0, 3, 2, 3, 4, 1, 4, 3, 0, 3, 2, 3, 0, 1, 4, 4, 3, 1, 2, 1, 4, 4]

cp's OEIS Frontend

A324393 a(n) is the number of such divisors d of n that A000120(d) does not divide n, where A000120(d) gives the binary weight of d.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	0
13	1
14	2
15	3
16	0
17	1
18	0
19	1
20	0
21	1
22	2
23	1
24	0
25	2
26	2
27	3
28	3
29	1
30	2
31	1
32	0
33	2
34	0
35	3
36	0
37	1
38	2
39	2
40	0
41	1
42	0
43	1
44	3
45	5
46	2
47	1
48	0
49	2
50	2
51	3
52	3
53	1
54	2
55	2
56	4
57	2
58	2
59	1
60	0
61	1
62	2
63	3
64	0
65	3
66	0
67	1
68	0
69	2
70	4
71	1
72	0
73	1
74	2
75	4
76	3
77	3
78	2
79	1
80	0
81	3
82	2
83	1
84	0
85	3
86	2
87	3
88	4
89	1
90	4
91	3
92	0
93	3
94	2
95	3
96	0
97	1
98	4
99	4
100	3
101	1
102	2
103	1
104	4
105	4

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	0
13	1
14	2
15	3
16	0
17	1
18	0
19	1
20	0
21	1
22	2
23	1
24	0
25	2
26	2
27	3
28	3
29	1
30	2
31	1
32	0
33	2
34	0
35	3
36	0
37	1
38	2
39	2
40	0
41	1
42	0
43	1
44	3
45	5
46	2
47	1
48	0
49	2
50	2
51	3
52	3
53	1
54	2
55	2
56	4
57	2
58	2
59	1
60	0
61	1
62	2
63	3
64	0
65	3
66	0
67	1
68	0
69	2
70	4
71	1
72	0
73	1
74	2
75	4
76	3
77	3
78	2
79	1
80	0
81	3
82	2
83	1
84	0
85	3
86	2
87	3
88	4
89	1
90	4
91	3
92	0
93	3
94	2
95	3
96	0
97	1
98	4
99	4
100	3
101	1
102	2
103	1
104	4
105	4

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	0
7	1
8	0
9	2
10	0
11	1
12	0
13	1
14	2
15	3
16	0
17	1
18	0
19	1
20	0
21	1
22	2
23	1
24	0
25	2
26	2
27	3
28	3
29	1
30	2
31	1
32	0
33	2
34	0
35	3
36	0
37	1
38	2
39	2
40	0
41	1
42	0
43	1
44	3
45	5
46	2
47	1
48	0
49	2
50	2
51	3
52	3
53	1
54	2
55	2
56	4
57	2
58	2
59	1
60	0
61	1
62	2
63	3
64	0
65	3
66	0
67	1
68	0
69	2
70	4
71	1
72	0
73	1
74	2
75	4
76	3
77	3
78	2
79	1
80	0
81	3
82	2
83	1
84	0
85	3
86	2
87	3
88	4
89	1
90	4
91	3
92	0
93	3
94	2
95	3
96	0
97	1
98	4
99	4
100	3
101	1
102	2
103	1
104	4
105	4