A342561 - cp's OEIS frontend

A342561 List points (x,y,z) having integer coordinates, sorted first by R^2 = x^2 + y^2 + z^2 and in case of ties, then by z and last by polar angle 0 <= phi < 2*Pi in a polar coordinate system. Sequence gives x-coordinates.

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

[0, 0, 1, 0, -1, 0, 0, 1, 0, -1, 0, 1, -1, -1, 1, 1, 0, -1, 0, 1, -1, -1, 1, 1, -1, -1, 1, 0, 2, 0, -2, 0, 0, 1, 0, -1, 0, 2, 0, -2, 0, 2, 1, -1, -2, -2, -1, 1, 2, 2, 0, -2, 0, 1, 0, -1, 0, 1, -1, -1, 1, 2, 1, -1, -2, -2, -1, 1, 2, 2, 1, -1, -2, -2, -1, 1, 2, 1, -1, -1, 1, 2, 0, -2, 0, 2, -2, -2, 2, 2, 0, -2, 0]

cp's OEIS Frontend

A342561 List points (x,y,z) having integer coordinates, sorted first by R^2 = x^2 + y^2 + z^2 and in case of ties, then by z and last by polar angle 0 <= phi < 2*Pi in a polar coordinate system. Sequence gives x-coordinates.

Table of values

List of values

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

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

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