A283308 - cp's OEIS frontend

A283308 List points (x,y) having integer coordinates, sorted first by x^2+y^2 and in case of ties, by x-coordinate and then by y-coordinate. Sequence gives y-coordinates.

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

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

cp's OEIS Frontend

A283308 List points (x,y) having integer coordinates, sorted first by x^2+y^2 and in case of ties, by x-coordinate and then by y-coordinate. Sequence gives y-coordinates.

Table of values

List of values

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

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

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