A348732 - cp's OEIS frontend

A348732 a(n) = A003959(n) - A034448(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and A034448 (usigma) is multiplicative with a(p^e) = (p^e)+1.

n	a(n)
1	0
2	0
3	0
4	4
5	0
6	0
7	0
8	18
9	6
10	0
11	0
12	16
13	0
14	0
15	0
16	64
17	0
18	18
19	0
20	24
21	0
22	0
23	0
24	72
25	10
26	0
27	36
28	32
29	0
30	0
31	0
32	210
33	0
34	0
35	0
36	94
37	0
38	0
39	0
40	108
41	0
42	0
43	0
44	48
45	36
46	0
47	0
48	256
49	14
50	30
51	0
52	56
53	0
54	108
55	0
56	144
57	0
58	0
59	0
60	96
61	0
62	0
63	48
64	664
65	0
66	0
67	0
68	72
69	0
70	0
71	0
72	342
73	0
74	0
75	40
76	80
77	0
78	0
79	0
80	384
81	174
82	0
83	0
84	128
85	0
86	0
87	0
88	216
89	0
90	108

[0, 0, 0, 4, 0, 0, 0, 18, 6, 0, 0, 16, 0, 0, 0, 64, 0, 18, 0, 24, 0, 0, 0, 72, 10, 0, 36, 32, 0, 0, 0, 210, 0, 0, 0, 94, 0, 0, 0, 108, 0, 0, 0, 48, 36, 0, 0, 256, 14, 30, 0, 56, 0, 108, 0, 144, 0, 0, 0, 96, 0, 0, 48, 664, 0, 0, 0, 72, 0, 0, 0, 342, 0, 0, 40, 80, 0, 0, 0, 384, 174, 0, 0, 128, 0, 0, 0, 216, 0, 108]

cp's OEIS Frontend

A348732 a(n) = A003959(n) - A034448(n), where A003959 is multiplicative with a(p^e) = (p+1)^e and A034448 (usigma) is multiplicative with a(p^e) = (p^e)+1.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	4
5	0
6	0
7	0
8	18
9	6
10	0
11	0
12	16
13	0
14	0
15	0
16	64
17	0
18	18
19	0
20	24
21	0
22	0
23	0
24	72
25	10
26	0
27	36
28	32
29	0
30	0
31	0
32	210
33	0
34	0
35	0
36	94
37	0
38	0
39	0
40	108
41	0
42	0
43	0
44	48
45	36
46	0
47	0
48	256
49	14
50	30
51	0
52	56
53	0
54	108
55	0
56	144
57	0
58	0
59	0
60	96
61	0
62	0
63	48
64	664
65	0
66	0
67	0
68	72
69	0
70	0
71	0
72	342
73	0
74	0
75	40
76	80
77	0
78	0
79	0
80	384
81	174
82	0
83	0
84	128
85	0
86	0
87	0
88	216
89	0
90	108

n	a(n)
1	0
2	0
3	0
4	4
5	0
6	0
7	0
8	18
9	6
10	0
11	0
12	16
13	0
14	0
15	0
16	64
17	0
18	18
19	0
20	24
21	0
22	0
23	0
24	72
25	10
26	0
27	36
28	32
29	0
30	0
31	0
32	210
33	0
34	0
35	0
36	94
37	0
38	0
39	0
40	108
41	0
42	0
43	0
44	48
45	36
46	0
47	0
48	256
49	14
50	30
51	0
52	56
53	0
54	108
55	0
56	144
57	0
58	0
59	0
60	96
61	0
62	0
63	48
64	664
65	0
66	0
67	0
68	72
69	0
70	0
71	0
72	342
73	0
74	0
75	40
76	80
77	0
78	0
79	0
80	384
81	174
82	0
83	0
84	128
85	0
86	0
87	0
88	216
89	0
90	108

n	a(n)
1	0
2	0
3	0
4	4
5	0
6	0
7	0
8	18
9	6
10	0
11	0
12	16
13	0
14	0
15	0
16	64
17	0
18	18
19	0
20	24
21	0
22	0
23	0
24	72
25	10
26	0
27	36
28	32
29	0
30	0
31	0
32	210
33	0
34	0
35	0
36	94
37	0
38	0
39	0
40	108
41	0
42	0
43	0
44	48
45	36
46	0
47	0
48	256
49	14
50	30
51	0
52	56
53	0
54	108
55	0
56	144
57	0
58	0
59	0
60	96
61	0
62	0
63	48
64	664
65	0
66	0
67	0
68	72
69	0
70	0
71	0
72	342
73	0
74	0
75	40
76	80
77	0
78	0
79	0
80	384
81	174
82	0
83	0
84	128
85	0
86	0
87	0
88	216
89	0
90	108