A078826 - cp's OEIS frontend

A078826 Number of distinct primes contained as binary substrings in binary representation of n.

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

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

cp's OEIS Frontend

A078826 Number of distinct primes contained as binary substrings in binary representation of n.

Table of values

List of values

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

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

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