A261283 - cp's OEIS frontend

A261283 a(n) = bitwise XOR of all the bit numbers for the bits that are set in n, using number 1 for the LSB.

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

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

cp's OEIS Frontend

A261283 a(n) = bitwise XOR of all the bit numbers for the bits that are set in n, using number 1 for the LSB.

Table of values

List of values

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

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

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