A271951 - cp's OEIS frontend

A271951 Decimal expansion of (1/2) Product_{p prime} 1+1/(p-1)^3, a constant related to I. M. Vinogradov's proof of the "ternary" Goldbach conjecture.

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

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

cp's OEIS Frontend

A271951 Decimal expansion of (1/2) Product_{p prime} 1+1/(p-1)^3, a constant related to I. M. Vinogradov's proof of the "ternary" Goldbach conjecture.

Table of values

List of values

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

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

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