A348029 - cp's OEIS frontend

A348029 a(n) = A003959(n) - sigma(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and sigma is the sum of divisors.

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	12
9	3
10	0
11	0
12	8
13	0
14	0
15	0
16	50
17	0
18	9
19	0
20	12
21	0
22	0
23	0
24	48
25	5
26	0
27	24
28	16
29	0
30	0
31	0
32	180
33	0
34	0
35	0
36	53
37	0
38	0
39	0
40	72
41	0
42	0
43	0
44	24
45	18
46	0
47	0
48	200
49	7
50	15
51	0
52	28
53	0
54	72
55	0
56	96
57	0
58	0
59	0
60	48
61	0
62	0
63	24
64	602
65	0
66	0
67	0
68	36
69	0
70	0
71	0
72	237
73	0
74	0
75	20
76	40
77	0
78	0
79	0
80	300
81	135
82	0
83	0
84	64
85	0
86	0
87	0
88	144
89	0
90	54
91	0
92	48
93	0

[0, 0, 0, 2, 0, 0, 0, 12, 3, 0, 0, 8, 0, 0, 0, 50, 0, 9, 0, 12, 0, 0, 0, 48, 5, 0, 24, 16, 0, 0, 0, 180, 0, 0, 0, 53, 0, 0, 0, 72, 0, 0, 0, 24, 18, 0, 0, 200, 7, 15, 0, 28, 0, 72, 0, 96, 0, 0, 0, 48, 0, 0, 24, 602, 0, 0, 0, 36, 0, 0, 0, 237, 0, 0, 20, 40, 0, 0, 0, 300, 135, 0, 0, 64, 0, 0, 0, 144, 0, 54, 0, 48, 0]

cp's OEIS Frontend

A348029 a(n) = A003959(n) - sigma(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and sigma is the sum of divisors.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	12
9	3
10	0
11	0
12	8
13	0
14	0
15	0
16	50
17	0
18	9
19	0
20	12
21	0
22	0
23	0
24	48
25	5
26	0
27	24
28	16
29	0
30	0
31	0
32	180
33	0
34	0
35	0
36	53
37	0
38	0
39	0
40	72
41	0
42	0
43	0
44	24
45	18
46	0
47	0
48	200
49	7
50	15
51	0
52	28
53	0
54	72
55	0
56	96
57	0
58	0
59	0
60	48
61	0
62	0
63	24
64	602
65	0
66	0
67	0
68	36
69	0
70	0
71	0
72	237
73	0
74	0
75	20
76	40
77	0
78	0
79	0
80	300
81	135
82	0
83	0
84	64
85	0
86	0
87	0
88	144
89	0
90	54
91	0
92	48
93	0

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	12
9	3
10	0
11	0
12	8
13	0
14	0
15	0
16	50
17	0
18	9
19	0
20	12
21	0
22	0
23	0
24	48
25	5
26	0
27	24
28	16
29	0
30	0
31	0
32	180
33	0
34	0
35	0
36	53
37	0
38	0
39	0
40	72
41	0
42	0
43	0
44	24
45	18
46	0
47	0
48	200
49	7
50	15
51	0
52	28
53	0
54	72
55	0
56	96
57	0
58	0
59	0
60	48
61	0
62	0
63	24
64	602
65	0
66	0
67	0
68	36
69	0
70	0
71	0
72	237
73	0
74	0
75	20
76	40
77	0
78	0
79	0
80	300
81	135
82	0
83	0
84	64
85	0
86	0
87	0
88	144
89	0
90	54
91	0
92	48
93	0

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	12
9	3
10	0
11	0
12	8
13	0
14	0
15	0
16	50
17	0
18	9
19	0
20	12
21	0
22	0
23	0
24	48
25	5
26	0
27	24
28	16
29	0
30	0
31	0
32	180
33	0
34	0
35	0
36	53
37	0
38	0
39	0
40	72
41	0
42	0
43	0
44	24
45	18
46	0
47	0
48	200
49	7
50	15
51	0
52	28
53	0
54	72
55	0
56	96
57	0
58	0
59	0
60	48
61	0
62	0
63	24
64	602
65	0
66	0
67	0
68	36
69	0
70	0
71	0
72	237
73	0
74	0
75	20
76	40
77	0
78	0
79	0
80	300
81	135
82	0
83	0
84	64
85	0
86	0
87	0
88	144
89	0
90	54
91	0
92	48
93	0