A152447 - cp's OEIS frontend

A152447 Decimal expansion of the sum_q 1/(q*(q-1)) over the semiprimes q = A001358.

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

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

cp's OEIS Frontend

A152447 Decimal expansion of the sum_q 1/(q*(q-1)) over the semiprimes q = A001358.

Table of values

List of values

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

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

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