A330261 - cp's OEIS frontend

A330261 Start with an empty stack S; for n = 1, 2, 3, ..., interpret the binary representation of n from left to right as follows: in case of bit 1, push the number 1 on top of S, in case of bit 0, replace the two numbers on top of S, say u on top of v, with u-v; a(n) gives the number on top of S after processing n.

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

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

cp's OEIS Frontend

Table of values

List of values

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

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

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