A349126 - cp's OEIS frontend

A349126 Sum of A064989 and its Dirichlet inverse, where A064989 is multiplicative with a(2^e) = 1 and a(p^e) = prevprime(p)^e for odd primes p.

n	a(n)
1	2
2	0
3	0
4	1
5	0
6	4
7	0
8	1
9	4
10	6
11	0
12	2
13	0
14	10
15	12
16	1
17	0
18	4
19	0
20	3
21	20
22	14
23	0
24	2
25	9
26	22
27	8
28	5
29	0
30	0
31	0
32	1
33	28
34	26
35	30
36	4
37	0
38	34
39	44
40	3
41	0
42	0
43	0
44	7
45	12
46	38
47	0
48	2
49	25
50	9
51	52
52	11
53	0
54	8
55	42
56	5
57	68
58	46
59	0
60	6
61	0
62	58
63	20
64	1
65	66
66	0
67	0
68	13
69	76
70	0
71	0
72	4
73	0
74	62
75	18
76	17
77	70
78	0
79	0
80	3
81	16
82	74
83	0
84	10
85	78
86	82
87	92
88	7
89	0
90	12
91	110
92	19
93	116

[2, 0, 0, 1, 0, 4, 0, 1, 4, 6, 0, 2, 0, 10, 12, 1, 0, 4, 0, 3, 20, 14, 0, 2, 9, 22, 8, 5, 0, 0, 0, 1, 28, 26, 30, 4, 0, 34, 44, 3, 0, 0, 0, 7, 12, 38, 0, 2, 25, 9, 52, 11, 0, 8, 42, 5, 68, 46, 0, 6, 0, 58, 20, 1, 66, 0, 0, 13, 76, 0, 0, 4, 0, 62, 18, 17, 70, 0, 0, 3, 16, 74, 0, 10, 78, 82, 92, 7, 0, 12, 110, 19, 116]

cp's OEIS Frontend

A349126 Sum of A064989 and its Dirichlet inverse, where A064989 is multiplicative with a(2^e) = 1 and a(p^e) = prevprime(p)^e for odd primes p.

Table of values

List of values

n	a(n)
1	2
2	0
3	0
4	1
5	0
6	4
7	0
8	1
9	4
10	6
11	0
12	2
13	0
14	10
15	12
16	1
17	0
18	4
19	0
20	3
21	20
22	14
23	0
24	2
25	9
26	22
27	8
28	5
29	0
30	0
31	0
32	1
33	28
34	26
35	30
36	4
37	0
38	34
39	44
40	3
41	0
42	0
43	0
44	7
45	12
46	38
47	0
48	2
49	25
50	9
51	52
52	11
53	0
54	8
55	42
56	5
57	68
58	46
59	0
60	6
61	0
62	58
63	20
64	1
65	66
66	0
67	0
68	13
69	76
70	0
71	0
72	4
73	0
74	62
75	18
76	17
77	70
78	0
79	0
80	3
81	16
82	74
83	0
84	10
85	78
86	82
87	92
88	7
89	0
90	12
91	110
92	19
93	116

n	a(n)
1	2
2	0
3	0
4	1
5	0
6	4
7	0
8	1
9	4
10	6
11	0
12	2
13	0
14	10
15	12
16	1
17	0
18	4
19	0
20	3
21	20
22	14
23	0
24	2
25	9
26	22
27	8
28	5
29	0
30	0
31	0
32	1
33	28
34	26
35	30
36	4
37	0
38	34
39	44
40	3
41	0
42	0
43	0
44	7
45	12
46	38
47	0
48	2
49	25
50	9
51	52
52	11
53	0
54	8
55	42
56	5
57	68
58	46
59	0
60	6
61	0
62	58
63	20
64	1
65	66
66	0
67	0
68	13
69	76
70	0
71	0
72	4
73	0
74	62
75	18
76	17
77	70
78	0
79	0
80	3
81	16
82	74
83	0
84	10
85	78
86	82
87	92
88	7
89	0
90	12
91	110
92	19
93	116

n	a(n)
1	2
2	0
3	0
4	1
5	0
6	4
7	0
8	1
9	4
10	6
11	0
12	2
13	0
14	10
15	12
16	1
17	0
18	4
19	0
20	3
21	20
22	14
23	0
24	2
25	9
26	22
27	8
28	5
29	0
30	0
31	0
32	1
33	28
34	26
35	30
36	4
37	0
38	34
39	44
40	3
41	0
42	0
43	0
44	7
45	12
46	38
47	0
48	2
49	25
50	9
51	52
52	11
53	0
54	8
55	42
56	5
57	68
58	46
59	0
60	6
61	0
62	58
63	20
64	1
65	66
66	0
67	0
68	13
69	76
70	0
71	0
72	4
73	0
74	62
75	18
76	17
77	70
78	0
79	0
80	3
81	16
82	74
83	0
84	10
85	78
86	82
87	92
88	7
89	0
90	12
91	110
92	19
93	116