A056979 - cp's OEIS frontend

A056979 Number of blocks of {1, 0, 1} in binary expansion of n.

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

[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 2, 2, 1, 2, 1, 1, 0, 0, 0, 0, 1, 2, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 2, 3, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 0, 0, 0, 0, 0, 1, 0]

cp's OEIS Frontend

A056979 Number of blocks of {1, 0, 1} in binary expansion of n.

Table of values

List of values

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

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

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