A253315 - cp's OEIS frontend

A253315 a(n) = bitwise XOR of all the bit numbers for the bits that are set in n.

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

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

cp's OEIS Frontend

A253315 a(n) = bitwise XOR of all the bit numbers for the bits that are set in n.

Table of values

List of values

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

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

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