A351521 - cp's OEIS frontend

A351521 Dirichlet g.f.: Product_{p prime} (1 + 4*p^(-s)).

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

[1, 4, 4, 0, 4, 16, 4, 0, 0, 16, 4, 0, 4, 16, 16, 0, 4, 0, 4, 0, 16, 16, 4, 0, 0, 16, 0, 0, 4, 64, 4, 0, 16, 16, 16, 0, 4, 16, 16, 0, 4, 64, 4, 0, 0, 16, 4, 0, 0, 0, 16, 0, 4, 0, 16, 0, 16, 16, 4, 0, 4, 16, 0, 0, 16, 64, 4, 0, 16, 64, 4, 0, 4, 16, 0, 0, 16, 64]

cp's OEIS Frontend

A351521 Dirichlet g.f.: Product_{p prime} (1 + 4*p^(-s)).

Table of values

List of values

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

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

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