A248930 - cp's OEIS frontend

A248930 Decimal expansion of c = 2Product_{prime p == 3 (mod 4)} (1 - 2/(p(p-1)^2)), a constant related to the problem of integral Apollonian circle packings.

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

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

cp's OEIS Frontend

A248930 Decimal expansion of c = 2Product_{prime p == 3 (mod 4)} (1 - 2/(p(p-1)^2)), a constant related to the problem of integral Apollonian circle packings.

Table of values

List of values

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

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

cp's OEIS Frontend

A248930 Decimal expansion of c = 2*Product_{prime p == 3 (mod 4)} (1 - 2/(p*(p-1)^2)), a constant related to the problem of integral Apollonian circle packings.

Table of values

List of values

A248930 Decimal expansion of c = 2Product_{prime p == 3 (mod 4)} (1 - 2/(p(p-1)^2)), a constant related to the problem of integral Apollonian circle packings.

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