A144079 - cp's OEIS frontend

A144079 a(n) = the number of digits in the binary representation of n that equal the corresponding digit in the binary reversal of n. (I.e., a(n) = number of 0's in n XOR A030101(n).)

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

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

cp's OEIS Frontend

A144079 a(n) = the number of digits in the binary representation of n that equal the corresponding digit in the binary reversal of n. (I.e., a(n) = number of 0's in n XOR A030101(n).)

Table of values

List of values

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

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

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