A102913 - cp's OEIS frontend

A102913 Take characteristic function of the semiprimes A001358, interpret it as a binary fraction and convert to a decimal fraction.

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

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

cp's OEIS Frontend

A102913 Take characteristic function of the semiprimes A001358, interpret it as a binary fraction and convert to a decimal fraction.

Table of values

List of values

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

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

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