A324938 - cp's OEIS frontend

A324938 a(n) = the number of values of m such that the sum of proper unitary divisors of m (A034460) is n.

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

[0, 0, 0, 0, 1, 0, 2, 1, 2, 1, 3, 1, 3, 2, 3, 3, 2, 2, 3, 3, 4, 3, 2, 3, 3, 3, 4, 4, 3, 3, 3, 5, 4, 5, 4, 5, 2, 4, 4, 5, 4, 5, 3, 5, 5, 5, 2, 6, 3, 6, 4, 6, 3, 7, 3, 6, 4, 5, 3, 7, 3, 5, 4, 6, 2, 8, 2, 6, 5, 7, 2, 8, 4, 6, 7, 7, 4, 9, 2, 7, 4, 5, 4, 9, 3, 9]

cp's OEIS Frontend

A324938 a(n) = the number of values of m such that the sum of proper unitary divisors of m (A034460) is n.

Table of values

List of values

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

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

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