A349347 - cp's OEIS frontend

A349347 Sum of A181988 and its Dirichlet inverse, where A181988(n) = A001511(n)*A003602(n).

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

[2, 0, 0, 4, 0, 8, 0, 4, 4, 12, 0, 4, 0, 16, 12, 5, 0, 12, 0, 6, 16, 24, 0, 8, 9, 28, 12, 8, 0, 8, 0, 6, 24, 36, 24, 14, 0, 40, 28, 12, 0, 12, 0, 12, 26, 48, 0, 10, 16, 34, 36, 14, 0, 32, 36, 16, 40, 60, 0, 28, 0, 64, 36, 7, 42, 20, 0, 18, 48, 24, 0, 20, 0, 76, 46, 20, 48, 24, 0, 15, 37, 84, 0, 38, 54, 88, 60, 24, 0, 40]

cp's OEIS Frontend

A349347 Sum of A181988 and its Dirichlet inverse, where A181988(n) = A001511(n)*A003602(n).

Table of values

List of values

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

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

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