A343640 - cp's OEIS frontend

A343640 Coordinate triples (x(n), y(n), z(n); n >= 0) of the 3D square spiral filling space with shells of increasing radius for the sup-norm, in turn filled by squares extending from one pole to the opposite one.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	0
13	1
14	1
15	-1
16	1
17	1
18	-1
19	0
20	1
21	-1
22	-1
23	1
24	0
25	-1
26	1
27	1
28	-1
29	1
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	0
39	-1
40	1
41	0
42	-1
43	0
44	0
45	-1
46	-1
47	0
48	0
49	-1
50	0
51	1
52	-1
53	0
54	1
55	0
56	-1
57	1
58	1
59	-1
60	0
61	1
62	-1
63	-1
64	1
65	-1
66	-1
67	0
68	-1
69	-1
70	-1
71	-1
72	0
73	-1
74	-1
75	1
76	-1
77	-1
78	0
79	0
80	-1
81	0
82	0
83	-2
84	1
85	0
86	-2
87	1
88	1
89	-2
90	0
91	1
92	-2
93	-1
94	1
95	-2
96	-1
97	0
98	-2
99	-1
100	-1
101	-2
102	0
103	-1
104	-2
105	1
106	-1
107	-2

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

cp's OEIS Frontend

A343640 Coordinate triples (x(n), y(n), z(n); n >= 0) of the 3D square spiral filling space with shells of increasing radius for the sup-norm, in turn filled by squares extending from one pole to the opposite one.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	0
13	1
14	1
15	-1
16	1
17	1
18	-1
19	0
20	1
21	-1
22	-1
23	1
24	0
25	-1
26	1
27	1
28	-1
29	1
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	0
39	-1
40	1
41	0
42	-1
43	0
44	0
45	-1
46	-1
47	0
48	0
49	-1
50	0
51	1
52	-1
53	0
54	1
55	0
56	-1
57	1
58	1
59	-1
60	0
61	1
62	-1
63	-1
64	1
65	-1
66	-1
67	0
68	-1
69	-1
70	-1
71	-1
72	0
73	-1
74	-1
75	1
76	-1
77	-1
78	0
79	0
80	-1
81	0
82	0
83	-2
84	1
85	0
86	-2
87	1
88	1
89	-2
90	0
91	1
92	-2
93	-1
94	1
95	-2
96	-1
97	0
98	-2
99	-1
100	-1
101	-2
102	0
103	-1
104	-2
105	1
106	-1
107	-2

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	0
13	1
14	1
15	-1
16	1
17	1
18	-1
19	0
20	1
21	-1
22	-1
23	1
24	0
25	-1
26	1
27	1
28	-1
29	1
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	0
39	-1
40	1
41	0
42	-1
43	0
44	0
45	-1
46	-1
47	0
48	0
49	-1
50	0
51	1
52	-1
53	0
54	1
55	0
56	-1
57	1
58	1
59	-1
60	0
61	1
62	-1
63	-1
64	1
65	-1
66	-1
67	0
68	-1
69	-1
70	-1
71	-1
72	0
73	-1
74	-1
75	1
76	-1
77	-1
78	0
79	0
80	-1
81	0
82	0
83	-2
84	1
85	0
86	-2
87	1
88	1
89	-2
90	0
91	1
92	-2
93	-1
94	1
95	-2
96	-1
97	0
98	-2
99	-1
100	-1
101	-2
102	0
103	-1
104	-2
105	1
106	-1
107	-2

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	0
13	1
14	1
15	-1
16	1
17	1
18	-1
19	0
20	1
21	-1
22	-1
23	1
24	0
25	-1
26	1
27	1
28	-1
29	1
30	1
31	0
32	0
33	1
34	1
35	0
36	0
37	1
38	0
39	-1
40	1
41	0
42	-1
43	0
44	0
45	-1
46	-1
47	0
48	0
49	-1
50	0
51	1
52	-1
53	0
54	1
55	0
56	-1
57	1
58	1
59	-1
60	0
61	1
62	-1
63	-1
64	1
65	-1
66	-1
67	0
68	-1
69	-1
70	-1
71	-1
72	0
73	-1
74	-1
75	1
76	-1
77	-1
78	0
79	0
80	-1
81	0
82	0
83	-2
84	1
85	0
86	-2
87	1
88	1
89	-2
90	0
91	1
92	-2
93	-1
94	1
95	-2
96	-1
97	0
98	-2
99	-1
100	-1
101	-2
102	0
103	-1
104	-2
105	1
106	-1
107	-2