A330890 - cp's OEIS frontend

A330890 Decimal expansion of Product_{prime p == 1 (mod 4)} (1 + 1/p^2)/(1 - 1/p^2).

n	a(n)
1	1
2	1
3	1
4	3
5	6
6	8
7	0
8	6
9	1
10	8
11	1
12	3
13	2
14	3
15	1
16	6
17	4
18	8
19	8
20	8
21	6
22	1
23	8
24	9
25	1
26	9
27	4
28	1
29	1
30	9
31	8
32	3
33	1
34	9
35	9
36	1
37	3
38	6
39	5
40	6
41	5
42	8
43	2
44	7
45	5
46	4
47	7
48	8
49	7
50	7
51	5
52	9
53	2
54	3
55	2
56	4
57	4
58	5
59	6
60	1
61	1
62	5
63	1
64	6
65	3
66	4
67	6
68	7
69	5
70	6
71	7
72	2
73	7
74	7
75	2
76	5
77	4
78	6
79	6
80	5
81	1
82	0
83	7
84	5
85	0
86	3
87	6
88	6
89	2
90	7
91	6
92	5
93	2
94	7
95	7
96	4
97	1
98	8
99	1
100	5
101	8
102	8
103	1
104	7
105	2

[1, 1, 1, 3, 6, 8, 0, 6, 1, 8, 1, 3, 2, 3, 1, 6, 4, 8, 8, 8, 6, 1, 8, 9, 1, 9, 4, 1, 1, 9, 8, 3, 1, 9, 9, 1, 3, 6, 5, 6, 5, 8, 2, 7, 5, 4, 7, 8, 7, 7, 5, 9, 2, 3, 2, 4, 4, 5, 6, 1, 1, 5, 1, 6, 3, 4, 6, 7, 5, 6, 7, 2, 7, 7, 2, 5, 4, 6, 6, 5, 1, 0, 7, 5, 0, 3, 6, 6, 2, 7, 6, 5, 2, 7, 7, 4, 1, 8, 1, 5, 8, 8, 1, 7, 2]

cp's OEIS Frontend

A330890 Decimal expansion of Product_{prime p == 1 (mod 4)} (1 + 1/p^2)/(1 - 1/p^2).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	3
5	6
6	8
7	0
8	6
9	1
10	8
11	1
12	3
13	2
14	3
15	1
16	6
17	4
18	8
19	8
20	8
21	6
22	1
23	8
24	9
25	1
26	9
27	4
28	1
29	1
30	9
31	8
32	3
33	1
34	9
35	9
36	1
37	3
38	6
39	5
40	6
41	5
42	8
43	2
44	7
45	5
46	4
47	7
48	8
49	7
50	7
51	5
52	9
53	2
54	3
55	2
56	4
57	4
58	5
59	6
60	1
61	1
62	5
63	1
64	6
65	3
66	4
67	6
68	7
69	5
70	6
71	7
72	2
73	7
74	7
75	2
76	5
77	4
78	6
79	6
80	5
81	1
82	0
83	7
84	5
85	0
86	3
87	6
88	6
89	2
90	7
91	6
92	5
93	2
94	7
95	7
96	4
97	1
98	8
99	1
100	5
101	8
102	8
103	1
104	7
105	2

n	a(n)
1	1
2	1
3	1
4	3
5	6
6	8
7	0
8	6
9	1
10	8
11	1
12	3
13	2
14	3
15	1
16	6
17	4
18	8
19	8
20	8
21	6
22	1
23	8
24	9
25	1
26	9
27	4
28	1
29	1
30	9
31	8
32	3
33	1
34	9
35	9
36	1
37	3
38	6
39	5
40	6
41	5
42	8
43	2
44	7
45	5
46	4
47	7
48	8
49	7
50	7
51	5
52	9
53	2
54	3
55	2
56	4
57	4
58	5
59	6
60	1
61	1
62	5
63	1
64	6
65	3
66	4
67	6
68	7
69	5
70	6
71	7
72	2
73	7
74	7
75	2
76	5
77	4
78	6
79	6
80	5
81	1
82	0
83	7
84	5
85	0
86	3
87	6
88	6
89	2
90	7
91	6
92	5
93	2
94	7
95	7
96	4
97	1
98	8
99	1
100	5
101	8
102	8
103	1
104	7
105	2

n	a(n)
1	1
2	1
3	1
4	3
5	6
6	8
7	0
8	6
9	1
10	8
11	1
12	3
13	2
14	3
15	1
16	6
17	4
18	8
19	8
20	8
21	6
22	1
23	8
24	9
25	1
26	9
27	4
28	1
29	1
30	9
31	8
32	3
33	1
34	9
35	9
36	1
37	3
38	6
39	5
40	6
41	5
42	8
43	2
44	7
45	5
46	4
47	7
48	8
49	7
50	7
51	5
52	9
53	2
54	3
55	2
56	4
57	4
58	5
59	6
60	1
61	1
62	5
63	1
64	6
65	3
66	4
67	6
68	7
69	5
70	6
71	7
72	2
73	7
74	7
75	2
76	5
77	4
78	6
79	6
80	5
81	1
82	0
83	7
84	5
85	0
86	3
87	6
88	6
89	2
90	7
91	6
92	5
93	2
94	7
95	7
96	4
97	1
98	8
99	1
100	5
101	8
102	8
103	1
104	7
105	2