A349359 - cp's OEIS frontend

A349359 Sum of A064216 and its Dirichlet inverse, where A064216 = A064989(2n-1), and A064989 is fully multiplicative with a(2) = 1 and a(p) = prevprime(p) for odd primes p.

n	a(n)
1	2
2	0
3	0
4	4
5	0
6	12
7	0
8	12
9	9
10	16
11	0
12	22
13	0
14	44
15	24
16	5
17	0
18	40
19	0
20	60
21	66
22	40
23	0
24	14
25	16
26	36
27	51
28	10
29	0
30	106
31	0
32	82
33	60
34	56
35	88
36	26
37	0
38	124
39	54
40	-10
41	0
42	-46
43	0
44	144
45	134
46	48
47	0
48	235
49	121
50	140
51	84
52	86
53	0
54	19
55	80
56	-108
57	186
58	136
59	0
60	-44
61	0
62	236
63	211
64	29
65	72
66	158
67	0
68	216
69	72
70	62
71	0
72	152
73	0
74	284
75	190
76	10
77	220
78	98
79	0
80	260
81	181

[2, 0, 0, 4, 0, 12, 0, 12, 9, 16, 0, 22, 0, 44, 24, 5, 0, 40, 0, 60, 66, 40, 0, 14, 16, 36, 51, 10, 0, 106, 0, 82, 60, 56, 88, 26, 0, 124, 54, -10, 0, -46, 0, 144, 134, 48, 0, 235, 121, 140, 84, 86, 0, 19, 80, -108, 186, 136, 0, -44, 0, 236, 211, 29, 72, 158, 0, 216, 72, 62, 0, 152, 0, 284, 190, 10, 220, 98, 0, 260, 181]

cp's OEIS Frontend

A349359 Sum of A064216 and its Dirichlet inverse, where A064216 = A064989(2n-1), and A064989 is fully multiplicative with a(2) = 1 and a(p) = prevprime(p) for odd primes p.

Table of values

List of values