A086240 - cp's OEIS frontend

A086240 Decimal expansion of Sum_{k>=2} (p mod 4 - 2)/p^2 where p=prime(k).

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

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

cp's OEIS Frontend

A086240 Decimal expansion of Sum_{k>=2} (p mod 4 - 2)/p^2 where p=prime(k).

Table of values

List of values

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

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

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