A281392 - cp's OEIS frontend

A281392 Number of occurrences of "01" as a subsequence in the binary expansion of n.

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	3
6	2
7	3
8	1
9	4
10	3
11	5
12	2
13	4
14	3
15	4
16	1
17	5
18	4
19	7
20	3
21	6
22	5
23	7
24	2
25	5
26	4
27	6
28	3
29	5
30	4
31	5
32	1
33	6
34	5
35	9
36	4
37	8
38	7
39	10
40	3
41	7
42	6
43	9
44	5
45	8
46	7
47	9
48	2
49	6
50	5
51	8
52	4
53	7
54	6
55	8
56	3
57	6
58	5
59	7
60	4
61	6
62	5
63	6
64	1
65	7
66	6
67	11
68	5
69	10
70	9
71	13
72	4
73	9
74	8
75	12
76	7
77	11
78	10
79	13
80	3
81	8
82	7
83	11
84	6
85	10
86	9
87	12
88	5
89	9
90	8
91	11
92	7
93	10
94	9
95	11
96	2
97	7
98	6
99	10
100	5
101	9
102	8
103	11
104	4
105	8
106	7
107	10
108	6
109	9
110	8
111	10
112	3
113	7
114	6
115	9
116	5
117	8
118	7
119	9
120	4

[0, 1, 1, 2, 1, 3, 2, 3, 1, 4, 3, 5, 2, 4, 3, 4, 1, 5, 4, 7, 3, 6, 5, 7, 2, 5, 4, 6, 3, 5, 4, 5, 1, 6, 5, 9, 4, 8, 7, 10, 3, 7, 6, 9, 5, 8, 7, 9, 2, 6, 5, 8, 4, 7, 6, 8, 3, 6, 5, 7, 4, 6, 5, 6, 1, 7, 6, 11, 5, 10, 9, 13, 4, 9, 8, 12, 7, 11, 10, 13, 3, 8, 7, 11, 6, 10, 9, 12, 5, 9, 8, 11, 7, 10, 9, 11, 2, 7, 6, 10, 5, 9, 8, 11, 4, 8, 7, 10, 6, 9, 8, 10, 3, 7, 6, 9, 5, 8, 7, 9, 4]

cp's OEIS Frontend

A281392 Number of occurrences of "01" as a subsequence in the binary expansion of n.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	3
6	2
7	3
8	1
9	4
10	3
11	5
12	2
13	4
14	3
15	4
16	1
17	5
18	4
19	7
20	3
21	6
22	5
23	7
24	2
25	5
26	4
27	6
28	3
29	5
30	4
31	5
32	1
33	6
34	5
35	9
36	4
37	8
38	7
39	10
40	3
41	7
42	6
43	9
44	5
45	8
46	7
47	9
48	2
49	6
50	5
51	8
52	4
53	7
54	6
55	8
56	3
57	6
58	5
59	7
60	4
61	6
62	5
63	6
64	1
65	7
66	6
67	11
68	5
69	10
70	9
71	13
72	4
73	9
74	8
75	12
76	7
77	11
78	10
79	13
80	3
81	8
82	7
83	11
84	6
85	10
86	9
87	12
88	5
89	9
90	8
91	11
92	7
93	10
94	9
95	11
96	2
97	7
98	6
99	10
100	5
101	9
102	8
103	11
104	4
105	8
106	7
107	10
108	6
109	9
110	8
111	10
112	3
113	7
114	6
115	9
116	5
117	8
118	7
119	9
120	4

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	3
6	2
7	3
8	1
9	4
10	3
11	5
12	2
13	4
14	3
15	4
16	1
17	5
18	4
19	7
20	3
21	6
22	5
23	7
24	2
25	5
26	4
27	6
28	3
29	5
30	4
31	5
32	1
33	6
34	5
35	9
36	4
37	8
38	7
39	10
40	3
41	7
42	6
43	9
44	5
45	8
46	7
47	9
48	2
49	6
50	5
51	8
52	4
53	7
54	6
55	8
56	3
57	6
58	5
59	7
60	4
61	6
62	5
63	6
64	1
65	7
66	6
67	11
68	5
69	10
70	9
71	13
72	4
73	9
74	8
75	12
76	7
77	11
78	10
79	13
80	3
81	8
82	7
83	11
84	6
85	10
86	9
87	12
88	5
89	9
90	8
91	11
92	7
93	10
94	9
95	11
96	2
97	7
98	6
99	10
100	5
101	9
102	8
103	11
104	4
105	8
106	7
107	10
108	6
109	9
110	8
111	10
112	3
113	7
114	6
115	9
116	5
117	8
118	7
119	9
120	4

n	a(n)
0	0
1	1
2	1
3	2
4	1
5	3
6	2
7	3
8	1
9	4
10	3
11	5
12	2
13	4
14	3
15	4
16	1
17	5
18	4
19	7
20	3
21	6
22	5
23	7
24	2
25	5
26	4
27	6
28	3
29	5
30	4
31	5
32	1
33	6
34	5
35	9
36	4
37	8
38	7
39	10
40	3
41	7
42	6
43	9
44	5
45	8
46	7
47	9
48	2
49	6
50	5
51	8
52	4
53	7
54	6
55	8
56	3
57	6
58	5
59	7
60	4
61	6
62	5
63	6
64	1
65	7
66	6
67	11
68	5
69	10
70	9
71	13
72	4
73	9
74	8
75	12
76	7
77	11
78	10
79	13
80	3
81	8
82	7
83	11
84	6
85	10
86	9
87	12
88	5
89	9
90	8
91	11
92	7
93	10
94	9
95	11
96	2
97	7
98	6
99	10
100	5
101	9
102	8
103	11
104	4
105	8
106	7
107	10
108	6
109	9
110	8
111	10
112	3
113	7
114	6
115	9
116	5
117	8
118	7
119	9
120	4