A269472 - cp's OEIS frontend

A269472 Decimal expansion of Product_{p prime} (1-(p^2+2)/(2(p^2+1)(p+1))) / sqrt(1-1/p), a constant related to the asymptotic average number of squares modulo n.

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	1
7	3
8	6
9	1
10	0
11	2
12	1
13	0
14	1
15	8
16	8
17	5
18	9
19	5
20	9
21	4
22	9
23	2
24	1
25	1
26	5
27	7
28	6
29	9
30	4
31	6
32	8
33	6
34	0
35	8
36	9
37	4
38	9
39	4
40	0
41	4
42	5
43	9
44	8
45	8
46	6
47	8
48	0
49	7
50	5
51	0
52	8
53	7
54	6
55	7
56	7
57	9
58	8
59	5
60	7
61	1
62	8
63	1
64	9
65	3
66	4
67	7
68	5
69	1
70	8
71	2
72	3
73	8
74	4
75	5
76	7
77	4
78	5
79	4
80	1
81	4
82	8
83	7
84	5
85	5
86	3
87	9
88	7
89	5
90	4
91	8
92	9
93	7
94	8
95	6
96	4
97	9
98	1
99	1
100	5
101	7
102	6
103	4
104	5
105	0
106	9
107	9
108	6

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

cp's OEIS Frontend

A269472 Decimal expansion of Product_{p prime} (1-(p^2+2)/(2(p^2+1)(p+1))) / sqrt(1-1/p), a constant related to the asymptotic average number of squares modulo n.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	1
7	3
8	6
9	1
10	0
11	2
12	1
13	0
14	1
15	8
16	8
17	5
18	9
19	5
20	9
21	4
22	9
23	2
24	1
25	1
26	5
27	7
28	6
29	9
30	4
31	6
32	8
33	6
34	0
35	8
36	9
37	4
38	9
39	4
40	0
41	4
42	5
43	9
44	8
45	8
46	6
47	8
48	0
49	7
50	5
51	0
52	8
53	7
54	6
55	7
56	7
57	9
58	8
59	5
60	7
61	1
62	8
63	1
64	9
65	3
66	4
67	7
68	5
69	1
70	8
71	2
72	3
73	8
74	4
75	5
76	7
77	4
78	5
79	4
80	1
81	4
82	8
83	7
84	5
85	5
86	3
87	9
88	7
89	5
90	4
91	8
92	9
93	7
94	8
95	6
96	4
97	9
98	1
99	1
100	5
101	7
102	6
103	4
104	5
105	0
106	9
107	9
108	6

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	1
7	3
8	6
9	1
10	0
11	2
12	1
13	0
14	1
15	8
16	8
17	5
18	9
19	5
20	9
21	4
22	9
23	2
24	1
25	1
26	5
27	7
28	6
29	9
30	4
31	6
32	8
33	6
34	0
35	8
36	9
37	4
38	9
39	4
40	0
41	4
42	5
43	9
44	8
45	8
46	6
47	8
48	0
49	7
50	5
51	0
52	8
53	7
54	6
55	7
56	7
57	9
58	8
59	5
60	7
61	1
62	8
63	1
64	9
65	3
66	4
67	7
68	5
69	1
70	8
71	2
72	3
73	8
74	4
75	5
76	7
77	4
78	5
79	4
80	1
81	4
82	8
83	7
84	5
85	5
86	3
87	9
88	7
89	5
90	4
91	8
92	9
93	7
94	8
95	6
96	4
97	9
98	1
99	1
100	5
101	7
102	6
103	4
104	5
105	0
106	9
107	9
108	6

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	1
7	3
8	6
9	1
10	0
11	2
12	1
13	0
14	1
15	8
16	8
17	5
18	9
19	5
20	9
21	4
22	9
23	2
24	1
25	1
26	5
27	7
28	6
29	9
30	4
31	6
32	8
33	6
34	0
35	8
36	9
37	4
38	9
39	4
40	0
41	4
42	5
43	9
44	8
45	8
46	6
47	8
48	0
49	7
50	5
51	0
52	8
53	7
54	6
55	7
56	7
57	9
58	8
59	5
60	7
61	1
62	8
63	1
64	9
65	3
66	4
67	7
68	5
69	1
70	8
71	2
72	3
73	8
74	4
75	5
76	7
77	4
78	5
79	4
80	1
81	4
82	8
83	7
84	5
85	5
86	3
87	9
88	7
89	5
90	4
91	8
92	9
93	7
94	8
95	6
96	4
97	9
98	1
99	1
100	5
101	7
102	6
103	4
104	5
105	0
106	9
107	9
108	6