A141059 - cp's OEIS frontend

A141059 Number of numbers m such that n = 0 (mod usigma(m)), where usigma(m) is the sum of unitary divisors of m (A034448).

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

[1, 1, 2, 2, 2, 3, 1, 3, 3, 3, 1, 6, 1, 2, 3, 3, 2, 6, 1, 6, 2, 1, 1, 10, 2, 2, 3, 4, 1, 8, 1, 5, 3, 2, 2, 11, 1, 2, 2, 8, 1, 6, 1, 3, 4, 1, 1, 13, 1, 5, 3, 3, 1, 9, 2, 6, 2, 1, 1, 17, 1, 2, 3, 5, 3, 4, 1, 5, 2, 5, 1, 21, 1, 2, 3, 3, 1, 5, 1, 11, 3, 2, 1, 13, 3, 1, 2, 4, 1, 15, 1, 2, 2, 1, 2, 19, 1, 3, 4, 9, 1, 6]

cp's OEIS Frontend

A141059 Number of numbers m such that n = 0 (mod usigma(m)), where usigma(m) is the sum of unitary divisors of m (A034448).

Table of values

List of values

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

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

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