A135993 - cp's OEIS frontend

A135993 a(0) = 0; a(n) = (floor(n/S2(n))) mod 2 for n >= 1, where S2(n) is the binary weight of n.

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

[0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1]

cp's OEIS Frontend

A135993 a(0) = 0; a(n) = (floor(n/S2(n))) mod 2 for n >= 1, where S2(n) is the binary weight of n.

Table of values

List of values

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

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

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