A175647 - cp's OEIS frontend

A175647 Decimal expansion of the Product_{primes p == 1 (mod 4)} 1/(1-1/p^2).

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

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

cp's OEIS Frontend

A175647 Decimal expansion of the Product_{primes p == 1 (mod 4)} 1/(1-1/p^2).

Table of values

List of values

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

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

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