A292895 - cp's OEIS frontend

A292895 a(n) is the least positive k such that the Hamming weight of k equals the Hamming weight of k + n.

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

[1, 1, 2, 1, 4, 5, 2, 1, 8, 3, 10, 6, 4, 5, 2, 1, 16, 3, 6, 5, 20, 3, 12, 10, 8, 9, 10, 6, 4, 5, 2, 1, 32, 3, 6, 5, 12, 3, 10, 9, 40, 11, 6, 5, 24, 3, 20, 18, 16, 7, 18, 17, 20, 12, 12, 10, 8, 9, 10, 6, 4, 5, 2, 1, 64, 3, 6, 5, 12, 3, 10, 9, 24, 11, 6, 5, 20, 3, 18, 17, 80, 7, 22, 14, 12, 13, 10, 9, 48]

cp's OEIS Frontend

A292895 a(n) is the least positive k such that the Hamming weight of k equals the Hamming weight of k + n.

Table of values

List of values

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

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

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