A323913 - cp's OEIS frontend

A323913 Sum of A083254 (2*phi(n) - n) and its Dirichlet inverse.

n	a(n)
1	2
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	0
13	0
14	0
15	6
16	0
17	0
18	-4
19	0
20	0
21	10
22	0
23	0
24	0
25	9
26	0
27	5
28	0
29	0
30	-16
31	0
32	0
33	18
34	0
35	30
36	-4
37	0
38	0
39	22
40	0
41	0
42	-24
43	0
44	0
45	11
46	0
47	0
48	0
49	25
50	-12
51	30
52	0
53	0
54	-18
55	54
56	0
57	34
58	0
59	0
60	-24
61	0
62	0
63	21
64	0
65	66
66	-40
67	0
68	0
69	42
70	-32
71	0
72	0
73	0
74	0
75	9
76	0
77	90
78	-48
79	0
80	0
81	19
82	0
83	0
84	-40
85	90
86	0
87	54
88	0
89	0
90	-38
91	110
92	0
93	58
94	0
95	102
96	0
97	0
98	-20

[2, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 6, 0, 0, -4, 0, 0, 10, 0, 0, 0, 9, 0, 5, 0, 0, -16, 0, 0, 18, 0, 30, -4, 0, 0, 22, 0, 0, -24, 0, 0, 11, 0, 0, 0, 25, -12, 30, 0, 0, -18, 54, 0, 34, 0, 0, -24, 0, 0, 21, 0, 66, -40, 0, 0, 42, -32, 0, 0, 0, 0, 9, 0, 90, -48, 0, 0, 19, 0, 0, -40, 90, 0, 54, 0, 0, -38, 110, 0, 58, 0, 102, 0, 0, -20]

cp's OEIS Frontend

A323913 Sum of A083254 (2*phi(n) - n) and its Dirichlet inverse.

Table of values

List of values

n	a(n)
1	2
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	0
13	0
14	0
15	6
16	0
17	0
18	-4
19	0
20	0
21	10
22	0
23	0
24	0
25	9
26	0
27	5
28	0
29	0
30	-16
31	0
32	0
33	18
34	0
35	30
36	-4
37	0
38	0
39	22
40	0
41	0
42	-24
43	0
44	0
45	11
46	0
47	0
48	0
49	25
50	-12
51	30
52	0
53	0
54	-18
55	54
56	0
57	34
58	0
59	0
60	-24
61	0
62	0
63	21
64	0
65	66
66	-40
67	0
68	0
69	42
70	-32
71	0
72	0
73	0
74	0
75	9
76	0
77	90
78	-48
79	0
80	0
81	19
82	0
83	0
84	-40
85	90
86	0
87	54
88	0
89	0
90	-38
91	110
92	0
93	58
94	0
95	102
96	0
97	0
98	-20

n	a(n)
1	2
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	0
13	0
14	0
15	6
16	0
17	0
18	-4
19	0
20	0
21	10
22	0
23	0
24	0
25	9
26	0
27	5
28	0
29	0
30	-16
31	0
32	0
33	18
34	0
35	30
36	-4
37	0
38	0
39	22
40	0
41	0
42	-24
43	0
44	0
45	11
46	0
47	0
48	0
49	25
50	-12
51	30
52	0
53	0
54	-18
55	54
56	0
57	34
58	0
59	0
60	-24
61	0
62	0
63	21
64	0
65	66
66	-40
67	0
68	0
69	42
70	-32
71	0
72	0
73	0
74	0
75	9
76	0
77	90
78	-48
79	0
80	0
81	19
82	0
83	0
84	-40
85	90
86	0
87	54
88	0
89	0
90	-38
91	110
92	0
93	58
94	0
95	102
96	0
97	0
98	-20

n	a(n)
1	2
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	0
13	0
14	0
15	6
16	0
17	0
18	-4
19	0
20	0
21	10
22	0
23	0
24	0
25	9
26	0
27	5
28	0
29	0
30	-16
31	0
32	0
33	18
34	0
35	30
36	-4
37	0
38	0
39	22
40	0
41	0
42	-24
43	0
44	0
45	11
46	0
47	0
48	0
49	25
50	-12
51	30
52	0
53	0
54	-18
55	54
56	0
57	34
58	0
59	0
60	-24
61	0
62	0
63	21
64	0
65	66
66	-40
67	0
68	0
69	42
70	-32
71	0
72	0
73	0
74	0
75	9
76	0
77	90
78	-48
79	0
80	0
81	19
82	0
83	0
84	-40
85	90
86	0
87	54
88	0
89	0
90	-38
91	110
92	0
93	58
94	0
95	102
96	0
97	0
98	-20